Add new APIs in firmware to configure SD/GEM/USB registers. Internally
it calls PM IOCTL for below SD/GEM/USB register configuration:
- SD/EMMC select
- SD slot type
- SD base clock
- SD 8 bit support
- GEM SGMII Mode
- SD fixed config
- GEM fixed config
- USB fixed config
Signed-off-by: Ronak Jain <ronak.jain@xxxxxxxxxx>