drm/amdgpu: added PSP XGMI initialization for SRIOV VF during recover

For SRIOV VF, XGMI was not initialized in PSP during recover. This change
added PSP XGMI initialization for SRIOV VF during recover.

Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>