drm/amdgpu: set GC 11.0.4 family

this patch is to set GC 11.0.4 family.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2202,6 +2202,7 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
 		adev->family = AMDGPU_FAMILY_GC_11_0_0;
 		break;
 	case IP_VERSION(11, 0, 1):
+	case IP_VERSION(11, 0, 4):
 		adev->family = AMDGPU_FAMILY_GC_11_0_1;
 		break;
 	default: