…) (#15954)

Signed-off-by: Longxiang Lyu <lolv@microsoft.com>
Co-authored-by: Longxiang Lyu <35479537+lolyu@users.noreply.github.com>

Why I did it
[E1031] fix pca9548 initializes failed occasionally in stress test.
When failure happened, ismt i2c bus hang up and need power cycle to
recover it.

How I did it
Add 0.5s delay between setuping and configuring pca9548 i2c mux.

How to verify it
Reboot stress test at least 100 times without failure.

Co-authored-by: Ikki Zhu <79439153+qnos@users.noreply.github.com>

Why I did it
The hw resources should be released before updating firmware.

How I did it
Added logic to release hw resources in syncd.sh script

Signed-off-by: Vadym Hlushko <vadymh@nvidia.com>
Co-authored-by: Vadym Hlushko <62022266+vadymhlushko-mlnx@users.noreply.github.com>

Adding yang model for CONFIG_DB table MUX_LINKMGR|SERVICE_MGMT.

sign-off: Jing Zhang zhangjing@microsoft.com

Co-authored-by: Jing Zhang <zhangjing@microsoft.com>

… 7800R3-48CQ2-LC (#16006)

* Update phy-credo script

1. Fix import SonicV2Connector
2. Determine medium type based on compliance code
3. Fix runtime error on unrelated platforms

* Use the 'raw' patch of phy-credo package

…into 202205