Add support for Enclustra Mars ZX3 board as a BMC

This adds preliminary support for the Enclustra Mars ZX3 using the upstream
meta-xilinx layer. In order to get it to compile this removes the
phosphor-gpio-keys feature even though it could theoretically be supported.

Change-Id: I8f9c0ff11a6f5916ce15a2fdc35c33848f496953
Signed-off-by: Alexander Hedges <ahedges@ethz.ch>
diff --git a/meta-evb-enclustra/meta-evb-zx3-pm3/conf/machine/evb-zx3-pm3.conf b/meta-evb-enclustra/meta-evb-zx3-pm3/conf/machine/evb-zx3-pm3.conf
new file mode 100644
index 0000000..0fcb971
--- /dev/null
+++ b/meta-evb-enclustra/meta-evb-zx3-pm3/conf/machine/evb-zx3-pm3.conf
@@ -0,0 +1,39 @@
+SOC_VARIANT ?= "7z"
+
+require conf/machine/include/tune-zynq.inc
+require conf/machine/include/machine-xilinx-overrides.inc
+require conf/machine/include/machine-xilinx-default.inc
+require conf/machine/include/machine-xilinx-board.inc
+require conf/machine/include/machine-xilinx-qemu.inc
+require conf/machine/include/obmc-bsp-common.inc
+
+MACHINE_FEATURES = "rtc ext2 ext3 vfat usbhost"
+
+# u-boot configuration
+UBOOT_MACHINE = "zynq_zc702_config"
+SPL_BINARY = "spl/boot.bin"
+
+EXTRA_IMAGEDEPENDS += " \
+		u-boot-zynq-uenv \
+		virtual/boot-bin \
+		"
+
+SERIAL_CONSOLE = "115200 ttyPS0"
+
+KERNEL_DEVICETREE = "zynq-zc702.dtb"
+
+IMAGE_BOOT_FILES += "boot.bin uEnv.txt ${KERNEL_IMAGETYPE}-zynq-zc702.dtb"
+
+KERNEL_FEATURES_remove = "phosphor-gpio-keys"
+
+# Overwrite flash offsets
+FLASH_UBOOT_OFFSET = "0"
+FLASH_KERNEL_OFFSET = "6144"
+FLASH_UBI_OFFSET = "${FLASH_KERNEL_OFFSET}"
+FLASH_ROFS_OFFSET = "12288"
+FLASH_RWFS_OFFSET = "65024"
+FLASH_SIZE = "65536"
+
+PREFERRED_PROVIDER_virtual/phosphor-led-manager-config-native = "evb-zx3-pm3-led-manager-config-native"
+PREFERRED_PROVIDER_u-boot = "u-boot-xlnx"
+PREFERRED_PROVIDER_virtual/bootloader = "u-boot"