drm/amdgpu/sienna_cichlid: add SMU i2c support (v2)

Enable SMU i2c bus access for sienna_cichlid asics.

v2: change callback name

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-07-19 13:35:29 -04:00
commit bc50ca291e