ahci: mtk: Change driver name to ahci-mtk

The driver name "ahci" is already used by the ahci platform driver.
This leads to the following error:
Error: Driver 'ahci' is already registered, aborting...

Change the name to ahci-mtk to fix this.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

drivers/ata/ahci_mtk.c

@@ -25,7 +25,7 @@
 #include <linux/reset.h>
 #include "ahci.h"
 
-#define DRV_NAME		"ahci"
+#define DRV_NAME		"ahci-mtk"
 
 #define SYS_CFG			0x14
 #define SYS_CFG_SATA_MSK	GENMASK(31, 30)