[libata] bump versions

Bump versions based on changes submitted during 2.6.21 merge window.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 4e42899..b121195 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -53,7 +53,7 @@
 #endif /* CONFIG_PPC_OF */
 
 #define DRV_NAME	"sata_svw"
-#define DRV_VERSION	"2.0"
+#define DRV_VERSION	"2.1"
 
 enum {
 	K2_FLAG_NO_ATAPI_DMA		= (1 << 29),