ide/cris/ide-cris.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/cris/ide-cris.c

@@ -1067,3 +1067,5 @@ static void cris_dma_start(ide_drive_t *drive)
 }
 
 module_init(init_e100_ide);
+
+MODULE_LICENSE("GPL");