ARM64: zynqmp: Add support for zc1751-dc4

zc1751-dc4 contains four GEMs.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
new file mode 100644
index 0000000..f7f3822
--- /dev/null
+++ b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
@@ -0,0 +1,41 @@
+CONFIG_ARM=y
+CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_zc1751_xm018_dc4"
+CONFIG_ARCH_ZYNQMP=y
+CONFIG_DM_I2C=y
+CONFIG_DM_GPIO=y
+CONFIG_SYS_TEXT_BASE=0x8000000
+CONFIG_DEFAULT_DEVICE_TREE="zynqmp-zc1751-xm018-dc4"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="ZynqMP> "
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_SYS_I2C_CADENCE=y
+CONFIG_DM_MMC=y
+CONFIG_ZYNQ_SDHCI=y
+CONFIG_DM_ETH=y
+CONFIG_ZYNQ_GEM=y
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_ZYNQ=y
+CONFIG_DEBUG_UART_BASE=0xff000000
+CONFIG_DEBUG_UART_CLOCK=100000000
+CONFIG_DEBUG_UART_ANNOUNCE=y