ufs: ufs-amd-versal2: Add support for AMD UFS controller

Add UFS AMD platform support on top of the UFS DWC
and UFS platform driver. UFS AMD platform requires
some platform specific configurations like M-PHY/RMMI/UniPro
and vendor specific registers programming before doing the LINKSTARTUP.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240920041651.18173-3-venkatesh.abbarapu@amd.com


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>