v4: rebase fixups
v5: rebase fixups
v5: rebase fixups
v6: rebase fixups for gart size changes
v7: add gmc v6 firmware versions for sysfs dump
Signed-off-by: NKen Wang <Qingqing.Wang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>