ide/h8300/ide-h8300.c: add MODULE_LICENSE

Now that it can be built modular it needs a MODULE_LICENSE.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/h8300/ide-h8300.c

@@ -125,3 +125,5 @@ out_busy:
 }
 
 module_init(h8300_ide_init);
+
+MODULE_LICENSE("GPL");