armv8: lx2160: Add secure boot target and enable distro boot.

Adds esbc validate command for verification of MC and DPC
firmware, along with secure boot defconfig.

Also enable distro boot.

Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Peng Ma <peng.ma@nxp.com>
[PK: squash "enable DM support for SATA patch" & add maintainer]
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>

configs/lx2160ardb_tfa_SECURE_BOOT_defconfig

@@ -0,0 +1,55 @@
+CONFIG_ARM=y
+CONFIG_TARGET_LX2160ARDB=y
+CONFIG_SYS_TEXT_BASE=0x82000000
+CONFIG_SYS_MALLOC_F_LEN=0x6000
+CONFIG_SECURE_BOOT=y
+CONFIG_EMC2305=y
+CONFIG_TFABOOT=y
+CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT=y
+CONFIG_SEC_FIRMWARE_ARMV8_PSCI=y
+CONFIG_AHCI=y
+CONFIG_NR_DRAM_BANKS=3
+CONFIG_FIT_VERBOSE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0,115200 root=/dev/ram0 earlycon=pl011,mmio32,0x21c0000 ramdisk_size=0x2000000 default_hugepagesz=1024m hugepagesz=1024m hugepages=2 pci=pcie_bus_perf"
+# CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_EEPROM=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_CACHE=y
+CONFIG_MP=y
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-lx2160a-rdb"
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_DM=y
+CONFIG_SATA_CEVA=y
+CONFIG_DM_MMC=y
+CONFIG_FSL_ESDHC=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
+CONFIG_PHYLIB=y
+CONFIG_PHY_AQUANTIA=y
+CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_CORTINA=y
+CONFIG_E1000=y
+CONFIG_DM_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_DM_SCSI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_RSA=y
+CONFIG_SPL_RSA=y
+CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_EFI_LOADER_BOUNCE_BUFFER=y