drm/amdgpu: add Raven chip id case for ucode

Set the appropriate ucode loading mechanism.  Set to
direct for now.
Signed-off-by: NChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: NHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

@@ -274,6 +274,15 @@ amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int load_type)
 			return AMDGPU_FW_LOAD_DIRECT;
 		else
 			return AMDGPU_FW_LOAD_PSP;
+	case CHIP_RAVEN:
+#if 0
+		if (!load_type)
+			return AMDGPU_FW_LOAD_DIRECT;
+		else
+			return AMDGPU_FW_LOAD_PSP;
+#else
+		return AMDGPU_FW_LOAD_DIRECT;
+#endif
 	default:
 		DRM_ERROR("Unknow firmware load type\n");
 	}