blackfin:mach-bf609: fix norflash for bf609-ezkit

Set smc register to async flash protocol mode and use physmap driver instead of
bfin-bf6xx.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/configs/BF609-EZKIT_defconfig b/arch/blackfin/configs/BF609-EZKIT_defconfig
index 07c9246..0864f7a 100644
--- a/arch/blackfin/configs/BF609-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF609-EZKIT_defconfig
@@ -57,11 +57,12 @@
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_STAA=y
 CONFIG_MTD_COMPLEX_MAPPINGS=y
-CONFIG_MTD_BFIN_BF60x=y
+CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_M25P80=y
 CONFIG_MTD_UBI=m
 CONFIG_SCSI=y