drm/amd: Import smuio_11_0 headers for EEPROM access on Vega20

v3: Merge CKSVII2C_IC regs into exsisting headers.

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