[SCSI] bfa: update driver version string

Update driver version to 2.2.2.1
Signed-off-by: NJing Huang <huangj@brocade.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

drivers/scsi/bfa/bfad_drv.h

@@ -46,7 +46,7 @@
 #ifdef BFA_DRIVER_VERSION
 #define BFAD_DRIVER_VERSION    BFA_DRIVER_VERSION
 #else
-#define BFAD_DRIVER_VERSION    "2.1.2.1"
+#define BFAD_DRIVER_VERSION    "2.2.2.1"
 #endif