arm: socfpga: agilex: Enable Agilex SoC build

Add build support for Agilex SoC.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
diff --git a/configs/socfpga_agilex_defconfig b/configs/socfpga_agilex_defconfig
new file mode 100644
index 0000000..cdb9396
--- /dev/null
+++ b/configs/socfpga_agilex_defconfig
@@ -0,0 +1,60 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SOCFPGA=y
+CONFIG_SYS_TEXT_BASE=0x1000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ENV_SIZE=0x1000
+CONFIG_ENV_OFFSET=0x200
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_TARGET_SOCFPGA_AGILEX_SOCDK=y
+CONFIG_IDENT_STRING="socfpga_agilex"
+CONFIG_SPL_FS_FAT=y
+CONFIG_SPL_TEXT_BASE=0xFFE00000
+CONFIG_BOOTDELAY=5
+CONFIG_SPL_CACHE=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x3c00000
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="SOCFPGA_AGILEX # "
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_DEFAULT_DEVICE_TREE="socfpga_agilex_socdk"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_ALTERA_SDRAM=y
+CONFIG_DM_GPIO=y
+CONFIG_DWAPB_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_DW=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_DW=y
+CONFIG_SF_DEFAULT_MODE=0x2003
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ90X1=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_MII=y
+CONFIG_DM_RESET=y
+CONFIG_SPI=y
+CONFIG_CADENCE_QSPI=y
+CONFIG_DESIGNWARE_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_STORAGE=y
+# CONFIG_SPL_USE_TINY_PRINTF is not set