zynq: add new target

Add support for Xilinx ZC702 Dev board

Zynq target is using 4.4 kernel and mainline 2016.1 u-boot.

Patch is tested with Xilinx ZC702 Dev board with SD boot mode.

known issues:
 - no QSPI driver in 4.4 kernel: no QSPI flash support
 - USB is not working in 4.4 kernel

Signed-off-by: Jason Wu <jason.wu.misc@gmail.com>

 create mode 100644 package/boot/uboot-zynq/Makefile
 create mode 100644 target/linux/zynq/Makefile
 create mode 100644 target/linux/zynq/base-files.mk
 create mode 100755 target/linux/zynq/base-files/etc/board.d/02_network
 create mode 100644 target/linux/zynq/base-files/etc/config/network
 create mode 100644 target/linux/zynq/base-files/etc/inittab
 create mode 100644 target/linux/zynq/config-4.4
 create mode 100644 target/linux/zynq/image/Makefile
 create mode 100755 target/linux/zynq/image/mkits.sh
 create mode 100644 target/linux/zynq/patches-4.4/0001-arm-dts-zynq-zc702.dts-Set-default-rdinit-to-sbin-in.patch
 create mode 100644 target/linux/zynq/profiles/zc702.mk

SVN-Revision: 48697

target/linux/zynq/base-files/etc/board.d/02_network

@@ -0,0 +1,16 @@
+#!/bin/sh
+# Copyright (C) 2015 OpenWrt.org
+
+. /lib/functions/uci-defaults.sh
+
+board_config_update
+
+case "$(cat /tmp/sysinfo/board_name)" in
+	xlnx,zynq-zc702)
+		ucidef_set_interface_lan 'eth0'
+		;;
+esac
+
+board_config_flush
+
+exit 0

target/linux/zynq/base-files/etc/config/network

@@ -0,0 +1,17 @@
+# Copyright (C) 2015 OpenWrt.org
+
+config interface loopback
+	option ifname	lo
+	option proto	static
+	option ipaddr	127.0.0.1
+	option netmask	255.0.0.0
+
+config interface lan
+	option ifname	eth0
+	option proto	static
+	option ipaddr	192.168.1.1
+	option netmask	255.255.255.0
+	option ip6assign 60
+
+config globals globals
+	option ula_prefix auto

target/linux/zynq/base-files/etc/inittab

@@ -0,0 +1,3 @@
+::sysinit:/etc/init.d/rcS S boot
+::shutdown:/etc/init.d/rcS K shutdown
+::askconsole:/bin/ash --login