ARM: zx_defconfig: remove CONFIG_MMC_DW_IDMAC
dw_mmc driver never use this macro, so remove it from
zx_defconfig
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Shawn Lin