video: fbdev/mmp: add MODULE_LICENSE

Kbuild complains about the lack of a license tag in this driver:

WARNING: modpost: missing MODULE_LICENSE() in drivers/video/fbdev/mmp/mmp_disp.o

This adds the license, author and description tags.

Signed-off-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[e-mail]>

drivers/video/fbdev/mmp/core.c

···
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/export.h>
+#include <linux/module.h>
 #include <video/mmp_disp.h>
 
 static struct mmp_overlay *path_get_overlay(struct mmp_path *path,
···
 	mutex_unlock(&disp_lock);
 }
 EXPORT_SYMBOL_GPL(mmp_unregister_path);
+
+MODULE_AUTHOR("Zhou Zhu <[e-mail]>");
+MODULE_DESCRIPTION("Marvell MMP display framework");
+MODULE_LICENSE("GPL");