mxs: use generic sysinfo board detection

Since we do nothing special for mxs based boards,
we can simply use the generic existing code.
We just need to convert scripts to use the DT
compatible strings.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

target/linux/mxs/base-files/etc/diag.sh

@@ -6,10 +6,10 @@
 
 get_status_led() {
 	case $(board_name) in
-	duckbill)
+	i2se,duckbill*)
 		status_led="duckbill:green:status"
 		;;
-	olinuxino)
+	olimex,imx23-olinuxino)
 		status_led="green"
 		;;
 	*)

target/linux/mxs/base-files/lib/mxs.sh

@@ -1,33 +0,0 @@
-#!/bin/sh
-#
-# Copyright (C) 2013 OpenWrt.org
-#
-
-MXS_BOARD_NAME=
-MXS_MODEL=
-
-mxs_board_detect() {
-	local machine
-	local name
-
-	machine=$(cat /proc/device-tree/model)
-
-	case "$machine" in
-	*"I2SE Duckbill"*)
-		name="duckbill"
-		;;
-	*"i.MX23 Olinuxino Low Cost Board")
-		name="olinuxino"
-		;;
-	esac
-
-	[ -z "$name" ] && name="unknown"
-
-	[ -z "$MXS_BOARD_NAME" ] && MXS_BOARD_NAME="$name"
-	[ -z "$MXS_MODEL" ] && MXS_MODEL="$machine"
-
-	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
-
-	echo "$MXS_BOARD_NAME" > /tmp/sysinfo/board_name
-	echo "$MXS_MODEL" > /tmp/sysinfo/model
-}

target/linux/mxs/base-files/lib/preinit/01_preinit_do_mxs.sh

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-do_mxs() {
-	. /lib/mxs.sh
-
-	mxs_board_detect
-}
-
-boot_hook_add preinit_main do_mxs