configs: e850-96: Enable MMC

Enable MMC subsystem and DW MMC driver support to make eMMC functional.
Also enable a couple of related commands so the user can make use of
eMMC from U-Boot shell.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/configs/e850-96_defconfig b/configs/e850-96_defconfig
index 2949da2..e5d9099 100644
--- a/configs/e850-96_defconfig
+++ b/configs/e850-96_defconfig
@@ -9,12 +9,20 @@
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xf8c00000
 CONFIG_DEFAULT_DEVICE_TREE="exynos/exynos850-e850-96"
 CONFIG_SYS_LOAD_ADDR=0x80000000
+CONFIG_ANDROID_BOOT_IMAGE=y
 # CONFIG_AUTOBOOT is not set
 # CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_ABOOTIMG=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_TIME=y
 CONFIG_CMD_RNG=y
 # CONFIG_NET is not set
 CONFIG_CLK_EXYNOS850=y
-# CONFIG_MMC is not set
+CONFIG_MMC_DW=y
 CONFIG_SOC_SAMSUNG=y
 CONFIG_EXYNOS_PMU=y
 CONFIG_EXYNOS_USI=y