drm/amdgpu/gfx9: update mqd to include dynamic CU mask

Necessary for proper operation with KIQ.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/v9_structs.h

@@ -284,8 +284,8 @@ struct v9_mqd {
 	uint32_t gds_save_mask_hi;
 	uint32_t ctx_save_base_addr_lo;
 	uint32_t ctx_save_base_addr_hi;
-	uint32_t reserved_126;
-	uint32_t reserved_127;
+	uint32_t dynamic_cu_mask_addr_lo;
+	uint32_t dynamic_cu_mask_addr_hi;
 	uint32_t cp_mqd_base_addr_lo;
 	uint32_t cp_mqd_base_addr_hi;
 	uint32_t cp_hqd_active;