board: synquacer: Add DeveloperBox 96boards EE support

Add the DeveloperBox 96boards EE support. This board is also
known as Socionext SynQuacer E-Series. It contians one "SC2A11"
SoC, which has 24-cores of arm Cortex-A53, and 4 DDR3 slots,
3 PCIe slots (1 4x port and 2 1x ports which are expanded via
PCIe bridge chip), 2 USB 3.0 ports and 2 USB 2.0 ports, 2 SATA
ports and 1 GbE, 64MB NOR flash and 8GB eMMC on standard
MicroATX Form Factor.

For more information, see this page;
  https://www.96boards.org/product/developerbox/

Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
diff --git a/configs/synquacer_developerbox_defconfig b/configs/synquacer_developerbox_defconfig
new file mode 100644
index 0000000..cbc09d3
--- /dev/null
+++ b/configs/synquacer_developerbox_defconfig
@@ -0,0 +1,112 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SYNQUACER=y
+CONFIG_SYS_TEXT_BASE=0x08200000
+CONFIG_ENV_SIZE=0x30000
+CONFIG_ENV_OFFSET=0x300000
+CONFIG_DEBUG_UART_BASE=0x2a400000
+CONFIG_DEBUG_UART_CLOCK=62500000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_DM_GPIO=y
+CONFIG_TARGET_DEVELOPERBOX=y
+CONFIG_DEFAULT_DEVICE_TREE="synquacer-sc2a11-developerbox"
+CONFIG_AHCI=y
+CONFIG_BOOTSTAGE_STASH_SIZE=4096
+CONFIG_BOOTM_EFI=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTEFI=y
+CONFIG_CMD_NVEDIT_EFI=y
+CONFIG_CMD_EFIDEBUG=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_IMLS=y
+CONFIG_CMD_NVEDIT_INFO=y
+CONFIG_CMD_DM=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_NET=y
+CONFIG_CMD_BOOTP=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_DATE=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_SATA=y
+CONFIG_CMD_NVME=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDPARTS_DEFAULT="nor1:448k(BootStrap-BL1),576k(Flash-Writer),512k(SCP-BL2),480k(FIP-TFA),32k(Stg2-Tables),1m@2m(U-Boot),1m@3m(UBoot-Env),2m@5m(Ex-OPTEE)"
+CONFIG_MTDIDS_DEFAULT="nor1=nor1"
+CONFIG_CMD_LOG=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_EFI_PARTITION=y
+CONFIG_EFI_LOADER=y
+CONFIG_EFI_DEVICE_PATH_TO_TEXT=y
+CONFIG_EFI_UNICODE_COLLATION_PROTOCOL2=y
+CONFIG_EFI_UNICODE_CAPITALIZATION=y
+CONFIG_EFI_HAVE_RUNTIME_RESET=y
+CONFIG_EFI_GET_TIME=y
+CONFIG_EFI_SET_TIME=y
+CONFIG_CMD_EFI_VARIABLE_FILE_STORE=Y
+CONFIG_OF_SEPARATE=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_USE_ENV_SPI_BUS=y
+CONFIG_ENV_SPI_BUS=0
+CONFIG_USE_ENV_SPI_CS=y
+CONFIG_ENV_SPI_CS=0
+CONFIG_PROT_UDP=y
+CONFIG_BAUDRATE=115200
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_CONS_INDEX=0
+CONFIG_DM_SERIAL=y
+CONFIG_PL01X_SERIAL=y
+CONFIG_SATA=y
+CONFIG_NVME=y
+CONFIG_SCSI_AHCI=y
+CONFIG_AHCI_PCI=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_SYNQUACER=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_F_SDH30=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_FLASH_CFI_MTD=y
+CONFIG_SYS_FLASH_CFI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_SPEED=31250000
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHYLIB=y
+CONFIG_PHYLIB_10G=y
+CONFIG_NET=y
+CONFIG_NETDEVICES=y
+CONFIG_SNI_NETSEC=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
+CONFIG_PHY_GIGE=y
+CONFIG_RGMII=y
+CONFIG_MII=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_PCF8563=y
+CONFIG_SCSI=y
+CONFIG_DM_SCSI=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_SYNQUACER_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_PCI=y
+CONFIG_USB_STORAGE=y