drm/amd/display: Update dcn351 to latest dcn35 config

[why & how]
There were some fixes in dcn35 that need
to be ported over to dcn351 to prevent any
regression.

Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Reviewed-by: Liu, Xi (Alex) <xiliu102@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>