ata_piix: update map 10b for ich8m

Fix map entry 10b for ich8.  It's [P0 P2 IDE IDE] like ich6 / ich6m.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/ata/ata_piix.c

@@ -428,7 +428,7 @@ static const struct piix_map_db ich8_map_db = {
 		/* PM   PS   SM   SS       MAP */
 		{  P0,  P2,  P1,  P3 }, /* 00b (hardwired when in AHCI) */
 		{  RV,  RV,  RV,  RV },
-		{  IDE,  IDE,  NA,  NA }, /* 10b (IDE mode) */
+		{  P0,  P2, IDE, IDE }, /* 10b (IDE mode) */
 		{  RV,  RV,  RV,  RV },
 	},
 };