HID: amd_sfh: Move common macros and structures

Introduce common macros and structures to support multiple generations
of AMD SOCs, move them to amd_sfh_common.h.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>