Make odroid downstream (#642)

* Make odroid downstream

* Fix patch

* Fix config

* audio support exynos

* Cleanup scripts

* Fix commit message

* clean options

* Extend options

* Cleanup

scripts/update-kernel-rpi.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+if [ -z "$1" ]; then
+    echo "Need a commit ID!"
+    exit 1
+fi
+
+if [ -z "$2" ]; then
+    echo "Need a kernel version!"
+    exit 1
+fi
+
+sed -i "s/BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION=\"https://github.com/raspberrypi/linux/.*\"/BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION=\"https://github.com/raspberrypi/linux/archive/$1.tar.gz\"/g" buildroot-external/configs/*
+sed -i "s/| Raspberry Pi\(.*\) | .* |/| Raspberry Pi\1 | $2 |/g" Documentation/kernel.md
+git commit -m "RaspberryPi: Update kernel $2 - $1" buildroot-external/configs/* Documentation/kernel.md