allow users to supply custom QEMU firmware path

[sharifelgamal]

Currently minikube looks for qemu firmware in sane default locations. This PR allows users with non-standard (or non-brew) qemu installations to use qemu.

Related: #14146

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sharifelgamal, spowelljr

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [sharifelgamal,spowelljr]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[sharifelgamal]

/ok-to-test

[minikube-pr-bot]

kvm2 driver with docker runtime

+----------------+----------+---------------------+
|    COMMAND     | MINIKUBE | MINIKUBE (PR 14283) |
+----------------+----------+---------------------+
| minikube start | 50.9s    | 50.6s               |
| enable ingress | 28.2s    | 28.2s               |
+----------------+----------+---------------------+

Times for minikube start: 52.4s 50.6s 51.0s 50.8s 49.7s
Times for minikube (PR 14283) start: 50.4s 51.5s 51.4s 50.3s 49.4s

Times for minikube ingress: 29.6s 27.0s 28.5s 29.1s 27.0s
Times for minikube (PR 14283) ingress: 28.5s 30.0s 26.6s 26.6s 29.5s

docker driver with docker runtime

+----------------+----------+---------------------+
|    COMMAND     | MINIKUBE | MINIKUBE (PR 14283) |
+----------------+----------+---------------------+
| minikube start | 24.4s    | 24.0s               |
| enable ingress | 23.9s    | 24.4s               |
+----------------+----------+---------------------+

Times for minikube ingress: 22.9s 23.9s 22.0s 26.9s 23.9s
Times for minikube (PR 14283) ingress: 27.9s 23.4s 23.9s 23.9s 22.9s

Times for minikube start: 25.3s 23.6s 23.9s 24.2s 25.0s
Times for minikube (PR 14283) start: 24.2s 24.5s 23.3s 23.9s 23.9s

docker driver with containerd runtime

+-------------------+----------+---------------------+
|      COMMAND      | MINIKUBE | MINIKUBE (PR 14283) |
+-------------------+----------+---------------------+
| ⚠️  minikube start | 30.9s    | 36.1s ⚠️             |
| enable ingress    | 27.2s    | 26.7s               |
+-------------------+----------+---------------------+

Times for minikube start: 29.6s 40.0s 28.3s 28.0s 28.5s
Times for minikube (PR 14283) start: 28.7s 43.3s 44.9s 31.8s 32.0s

Times for minikube ingress: 23.4s 33.4s 23.4s 32.4s 23.4s
Times for minikube (PR 14283) ingress: 32.4s 29.4s 29.0s 18.9s 23.9s

[minikube-pr-bot]

These are the flake rates of all failed tests.

Environment	Failed Tests	Flake Rate (%)
Docker_Windows	TestMinikubeProfile (gopogh)	n/a
Docker_Windows	TestNoKubernetes/serial/Stop (gopogh)	0.00 (chart)
Hyper-V_Windows	TestStartStop/group/embed-certs/serial/Pause (gopogh)	1.85 (chart)
KVM_Linux_containerd	TestStoppedBinaryUpgrade/Upgrade (gopogh)	7.83 (chart)
Docker_macOS	TestDownloadOnlyKic (gopogh)	9.52 (chart)
Docker_macOS	TestDownloadOnly/v1.23.6/preload-exists (gopogh)	9.52 (chart)
KVM_Linux_containerd	TestPause/serial/SecondStartNoReconfiguration (gopogh)	13.25 (chart)
Hyperkit_macOS	TestFunctional/parallel/DashboardCmd (gopogh)	14.63 (chart)
Docker_Linux_containerd	TestNetworkPlugins/group/kindnet/Start (gopogh)	31.20 (chart)
Docker_Linux	TestFunctional/serial/ComponentHealth (gopogh)	36.88 (chart)
Docker_Linux	TestNetworkPlugins/group/calico/DNS (gopogh)	48.15 (chart)
Docker_Linux	TestNetworkPlugins/group/false/DNS (gopogh)	50.00 (chart)
Hyper-V_Windows	TestNoKubernetes/serial/StartWithK8s (gopogh)	50.93 (chart)
Docker_Windows	TestAddons/Setup (gopogh)	51.85 (chart)
Docker_Windows	TestErrorSpam/setup (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/CertSync (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/CpCmd (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/DockerEnv/powershell (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/FileSync (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageBuild (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageListJson (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageListShort (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageListTable (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageListYaml (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageLoadDaemon (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageLoadFromFile (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageReloadDaemon (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageSaveDaemon (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageSaveToFile (gopogh)	51.85 (chart)
Docker_Windows	TestFunctional/parallel/ImageCommands/ImageTagAndLoadDaemon (gopogh)	51.85 (chart)
More tests...	Continued...

Too many tests failed - See test logs for more details.

To see the flake rates of all tests by environment, click here.