tests: add fsl-dcu-drm to modules

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
diff --git a/tests/util/kms.c b/tests/util/kms.c
index 57b0191..dcd5a8e 100644
--- a/tests/util/kms.c
+++ b/tests/util/kms.c
@@ -139,6 +139,7 @@
 	"imx-drm",
 	"rockchip",
 	"atmel-hlcdc",
+	"fsl-dcu-drm",
 };
 
 int util_open(const char *device, const char *module)