ata: sata_mv: fix module license specification

The header allows GPL v2 only, so declare "GPL v2" for MODULE_LICENSE
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Tejun Heo <tj@kernel.org>

drivers/ata/sata_mv.c

@@ -4526,7 +4526,7 @@ static void __exit mv_exit(void)
 
 MODULE_AUTHOR("Brett Russ");
 MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
 MODULE_ALIAS("platform:" DRV_NAME);