Add samsung specific changes

drivers/sdp/sdp_debug.c

@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/sdp/sdp_debug.h>
+
+int __weak sdp_get_disp_id(void *ctx)
+{
+	return UNKNOWN_DISP_ID;
+}
+EXPORT_SYMBOL(sdp_get_disp_id);
+
+MODULE_DESCRIPTION("sdp debug");
+MODULE_LICENSE("GPL");