[libata] Bump versions

Update major version for libata, and several drivers.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index c94b870..7566c2ca 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -54,7 +54,7 @@
 #endif /* CONFIG_PPC_OF */
 
 #define DRV_NAME	"sata_svw"
-#define DRV_VERSION	"1.8"
+#define DRV_VERSION	"2.0"
 
 enum {
 	/* Taskfile registers offsets */