+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
+CONFIG_ENV_ADDR=0x8040000
+CONFIG_ENV_ADDR_REDUND=0x8060000
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
+CONFIG_SYS_I2C_MXC=y
+CONFIG_SYS_I2C_MXC_I2C1=y
+CONFIG_SYS_I2C_MXC_I2C2=y
+CONFIG_DM_MMC=y
+CONFIG_FSL_USDHC=y
+CONFIG_DM_MTD=y