This patch introduces the navi10 pptable implementation, so far it is already
has firmware loading, pptable side loading, writing back to smc, and feature
mask enabling.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>