drm/amd/powerplay: enable ac/dc feature on navi10

enable ac/dc feature on navi10. currently we don't have
the case to verify it.
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

@@ -329,7 +329,8 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
 				| FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT)
 				| FEATURE_MASK(FEATURE_DS_GFXCLK_BIT)
 				| FEATURE_MASK(FEATURE_DS_DCEFCLK_BIT)
-				| FEATURE_MASK(FEATURE_FW_DSTATE_BIT);
+				| FEATURE_MASK(FEATURE_FW_DSTATE_BIT)
+				| FEATURE_MASK(FEATURE_ACDC_BIT);
 
 	if (adev->pm.pp_feature & PP_MCLK_DPM_MASK)
 		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_UCLK_BIT)