video: fbdev-MMP: Fix typos for the word "destroy"

Two mistyped words were corrected in the description for
the mmp_unregister_path() function.

Signed-off-by: Markus Elfring <[e-mail]>
Signed-off-by: Tomi Valkeinen <[e-mail]>

drivers/video/fbdev/mmp/core.c

···
 EXPORT_SYMBOL_GPL(mmp_register_path);
 
 /*
- * mmp_unregister_path - unregister and destory path
+ * mmp_unregister_path - unregister and destroy path
  * @p: path to be destoried.
  *
- * this function registers path and destorys it.
+ * this function registers path and destroys it.
  */
 void mmp_unregister_path(struct mmp_path *path)
 {