DA923RC: add boot script

A boot script is added to load DTB and Linux images for booting.
The init script starts the boot script after a 5s timeout window.

Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/ppc/boards/geip-da923rc/env/bin/boot

@@ -0,0 +1,9 @@
+#!/bin/sh
+#Load the firmware images from the NOR UBIFS file system and boot
+
+readlink /mnt/active symlink
+
+bootargs="ubi.mtd=nand root=ubi0:fs-active rootfstype=ubifs rw panic=25"
+cp /mnt/$symlink/uImage /
+cp /mnt/$symlink/dtb /
+bootm -o /dtb /uImage

arch/ppc/boards/geip-da923rc/env/bin/init

@@ -14,3 +14,13 @@ fi
 
 mkdir /mnt
 mount -t ubifs /dev/ubi0.boot /mnt
+
+echo
+echo -n "Hit ctrl-c to stop autoboot: "
+timeout -c 5
+
+if [ $? -ne 0 ]; then
+	exit 0
+fi
+
+boot