mx6: add support for el6x board

Custom Board based on MX6 Dual, 1GB RAM and eMMC.

There are two variants of the board with and without
PCIe (ZC5202 and ZC5601).

Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/configs/zc5202_defconfig b/configs/zc5202_defconfig
new file mode 100644
index 0000000..2ebeec0
--- /dev/null
+++ b/configs/zc5202_defconfig
@@ -0,0 +1,22 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_ZC5202=y
+CONFIG_SPL=y
+CONFIG_BOOTDELAY=3
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6Q"
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=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_SPI_FLASH=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_OF_LIBFDT=y