drm/shmobile: 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/20211217003752.3946210-15-javierm@redhat.com

drivers/gpu/drm/shmobile/shmob_drm_drv.c

@@ -18,6 +18,7 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_module.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
 
@@ -295,7 +296,7 @@ static struct platform_driver shmob_drm_platform_driver = {
 	},
 };
 
-module_platform_driver(shmob_drm_platform_driver);
+drm_module_platform_driver(shmob_drm_platform_driver);
 
 MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
 MODULE_DESCRIPTION("Renesas SH Mobile DRM Driver");