Add new secure boot defconfig for imx6ul

configs/kontron_mx6ul_secure_boot_defconfig

+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_TARGET_KONTRON_MX6UL=y
+CONFIG_DM_GPIO=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0xF0000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SPL=y
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_IMX_HAB=y
+# CONFIG_CMD_DEKBLOB is not set
+CONFIG_SPL_TEXT_BASE=0x00908000
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_FIT=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
+CONFIG_LOGLEVEL=7
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
+CONFIG_BOARD_TYPES=y
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_SPL_RAW_IMAGE_SUPPORT=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x8A
+# CONFIG_SPL_CRC32_SUPPORT is not set
+CONFIG_SPL_NOR_SUPPORT=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x10000
+CONFIG_SPL_USB_HOST_SUPPORT=y
+CONFIG_SPL_USB_GADGET=y
+CONFIG_SPL_USB_SDP_SUPPORT=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_SDP=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_CACHE=y
+# CONFIG_CMD_HASH is not set
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="imx6ul-kontron-n6310-s"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_BUS=y
+CONFIG_ENV_SPI_BUS=2
+CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
+CONFIG_DM_I2C=y
+CONFIG_DM_MMC=y
+CONFIG_FSL_USDHC=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_MTD_SPI_NAND=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_BUS=1
+CONFIG_SF_DEFAULT_MODE=0
+CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHYLIB=y
+CONFIG_PHY_MICREL=y
+CONFIG_DM_ETH=y
+CONFIG_FEC_MXC=y
+CONFIG_MII=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_CONS_INDEX=4
+CONFIG_DM_SERIAL=y
+CONFIG_MXC_UART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_FSL_QSPI=y
+CONFIG_MXC_SPI=y
+CONFIG_IMX_THERMAL=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Kontron Electronics GmbH"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y