Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
index ac0f75d..7501e32 100644
--- a/include/drm/drm_debugfs.h
+++ b/include/drm/drm_debugfs.h
@@ -32,6 +32,8 @@
 #ifndef _DRM_DEBUGFS_H_
 #define _DRM_DEBUGFS_H_
 
+#include <linux/types.h>
+#include <linux/seq_file.h>
 /**
  * struct drm_info_list - debugfs info list entry
  *