ide/legacy/buddha.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/legacy/buddha.c

@@ -241,3 +241,5 @@ fail_base2:
 }
 
 module_init(buddha_init);
+
+MODULE_LICENSE("GPL");