stable-4.x: Fix documentation

[mariolenz]

SUMMARY

Fix documentation.

ISSUE TYPE

• Docs Pull Request

COMPONENT NAME

vcenter_standard_key_provider
vmware_dvswitch_nioc
vmware_guest
vmware_guest_controller
vmware_guest_disk
vmware_guest_serial_port
vmware_tools

ADDITIONAL INFORMATION

Backport of #2192

[softwarefactory-project-zuul]

Build succeeded.
https://ansible.softwarefactory-project.io/zuul/buildset/34c1e5df5da84b2aa5ff8c4e66ff893c

✔️ ansible-tox-linters SUCCESS in 7m 53s
✔️ build-ansible-collection SUCCESS in 8m 02s
✔️ ansible-galaxy-importer SUCCESS in 4m 21s

[softwarefactory-project-zuul]

Build succeeded.
https://ansible.softwarefactory-project.io/zuul/buildset/067e3040317a4148976b757b19de0402

✔️ ansible-tox-linters SUCCESS in 8m 17s
✔️ build-ansible-collection SUCCESS in 8m 14s
✔️ ansible-test-cloud-integration-vcenter7_only-stable217 SUCCESS in 20m 59s
✔️ ansible-test-cloud-integration-vcenter7_2esxi-stable217 SUCCESS in 15m 40s
✔️ ansible-test-cloud-integration-vcenter7_1esxi-stable217_1_of_2 SUCCESS in 56m 33s
✔️ ansible-test-cloud-integration-vcenter7_1esxi-stable217_2_of_2 SUCCESS in 1h 00m 11s
✔️ ansible-galaxy-importer SUCCESS in 4m 28s

[softwarefactory-project-zuul]

Build succeeded (gate pipeline).
https://ansible.softwarefactory-project.io/zuul/buildset/ace338fe5719414aa1bb5e1cc8867a6e

✔️ ansible-tox-linters SUCCESS in 7m 47s
✔️ build-ansible-collection SUCCESS in 6m 25s
✔️ ansible-galaxy-importer SUCCESS in 5m 40s