drm/fsl-dcu: Use drm_module_platform_driver() to register the driver

The macro calls to a DRM specific platform driver init handler that checks
whether the driver is allowed to be registered or not.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-9-javierm@redhat.com

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c

@@ -24,6 +24,7 @@
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_modeset_helper.h>
+#include <drm/drm_module.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
 
@@ -368,7 +369,7 @@ static struct platform_driver fsl_dcu_drm_platform_driver = {
 	},
 };
 
-module_platform_driver(fsl_dcu_drm_platform_driver);
+drm_module_platform_driver(fsl_dcu_drm_platform_driver);
 
 MODULE_DESCRIPTION("Freescale DCU DRM Driver");
 MODULE_LICENSE("GPL");