drm/amdgpu: Add SMUIO values for other I2C controller v2

These are the offsets for CKSVII2C1, and match up with the values
already added for CKSVII2C

v2: Don't remove some of the CSKVII2C values

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>