[libata] Bump driver versions

Bump the versions for drivers that were modified, but had not already
had a version number bump.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 0ff96a0..e40c94f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -94,7 +94,7 @@
 #include <linux/dmi.h>
 
 #define DRV_NAME	"ata_piix"
-#define DRV_VERSION	"2.11"
+#define DRV_VERSION	"2.12"
 
 enum {
 	PIIX_IOCFG		= 0x54, /* IDE I/O configuration register */