tests/util: Add armada-drm driver

This makes the test utilities work with the Armada driver without the
necessity of using the -M argument.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

tests/util/kms.c

@@ -146,6 +146,7 @@ static const char * const modules[] = {
 	"pl111",
 	"stm",
 	"sun4i-drm",
+	"armada-drm",
 };
 
 int util_open(const char *device, const char *module)