imx6ul: engicam: Drop isiot-mmc defconfig

Engicam Is.IoT has eMMC and NAND cpu modules where MMC
is common for both, so remove explicit mmc defconfig.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

configs/imx6ul_isiot_emmc_defconfig

@@ -23,6 +23,7 @@ CONFIG_SYS_PROMPT="isiotmx6ul> "
 CONFIG_CRC32_VERIFY=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
@@ -33,6 +34,7 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_I2C_MXC=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_SMSC=y
 CONFIG_FEC_MXC=y

configs/imx6ul_isiot_mmc_defconfig

@@ -1,44 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_MX6=y
-CONFIG_SYS_TEXT_BASE=0x87800000
-CONFIG_SPL_GPIO_SUPPORT=y
-CONFIG_SPL_LIBCOMMON_SUPPORT=y
-CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_SYS_MALLOC_F_LEN=0x2000
-CONFIG_TARGET_MX6UL_ENGICAM=y
-CONFIG_SPL_SERIAL_SUPPORT=y
-CONFIG_SPL_LIBDISK_SUPPORT=y
-CONFIG_SPL_WATCHDOG_SUPPORT=y
-# CONFIG_CMD_BMODE is not set
-CONFIG_DEFAULT_DEVICE_TREE="imx6ul-isiot-mmc"
-CONFIG_FIT=y
-CONFIG_FIT_SIGNATURE=y
-CONFIG_FIT_VERBOSE=y
-CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
-CONFIG_BOOTDELAY=3
-CONFIG_SPL=y
-CONFIG_SPL_EXT_SUPPORT=y
-CONFIG_HUSH_PARSER=y
-CONFIG_SYS_PROMPT="isiotmx6ul> "
-CONFIG_CRC32_VERIFY=y
-CONFIG_CMD_MEMTEST=y
-CONFIG_CMD_GPIO=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_MMC=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_CMD_CACHE=y
-CONFIG_CMD_EXT2=y
-CONFIG_CMD_EXT4=y
-CONFIG_CMD_EXT4_WRITE=y
-CONFIG_CMD_FAT=y
-CONFIG_CMD_FS_GENERIC=y
-CONFIG_ENV_IS_IN_MMC=y
-CONFIG_SYS_I2C_MXC=y
-CONFIG_PHYLIB=y
-CONFIG_PHY_SMSC=y
-CONFIG_FEC_MXC=y
-CONFIG_PINCTRL=y
-CONFIG_PINCTRL_IMX6=y
-CONFIG_MXC_UART=y
-CONFIG_IMX_THERMAL=y