drm/amd/display/dc: enable oem i2c support for DCE 12.x

Use the value pulled from the vbios just like newer chips.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-12-17 16:49:48 -05:00
commit 2ed83f2cc4