[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/pata_opti.c b/drivers/ata/pata_opti.c
index da1aa14..1b3cd53 100644
--- a/drivers/ata/pata_opti.c
+++ b/drivers/ata/pata_opti.c
@@ -34,7 +34,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_opti"
-#define DRV_VERSION "0.2.7"
+#define DRV_VERSION "0.2.8"
 
 enum {
 	READ_REG	= 0,	/* index of Read cycle timing register */