drm/amdgpu: add new GFX powergating types

Add some new GFX powergating flags.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/amd_shared.h

@@ -120,6 +120,8 @@ enum amd_powergating_state {
 #define AMD_PG_SUPPORT_SDMA			(1 << 8)
 #define AMD_PG_SUPPORT_ACP			(1 << 9)
 #define AMD_PG_SUPPORT_SAMU			(1 << 10)
+#define AMD_PG_SUPPORT_GFX_QUICK_MG		(1 << 11)
+#define AMD_PG_SUPPORT_GFX_PIPELINE		(1 << 12)
 
 enum amd_pm_state_type {
 	/* not used for dpm */