Kconfig: remove redundant CONFIG_ prefix on two symbols

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 811dbbd..76b6d98 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -681,7 +681,7 @@
        select IDE_XFER_MODE
 choice
        prompt "IDE Mode for AMD Alchemy Au1200"
-       default CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
+       default BLK_DEV_IDE_AU1XXX_PIO_DBDMA
        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 
 config BLK_DEV_IDE_AU1XXX_PIO_DBDMA