drm/amdgpu: set fw load type for navy_flounder

Currently navy_flounder only supports backdoor loading type.
Will switch to psp load type when psp is ready.
Signed-off-by: NJiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: NTao Zhou <tao.zhou1@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -394,7 +394,8 @@ 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_NAVY_FLOUNDER:
+		return AMDGPU_FW_LOAD_DIRECT;
 	default:
 		DRM_ERROR("Unknown firmware load type\n");
 	}