treewide: fix device tree path in scripts

The device tree is at /proc/device-tree/ without a base subdir.

Fixes: da472e5b30 ("treewide: access device tree from userspace via /proc/")

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/lantiq/base-files/lib/functions/lantiq.sh

@@ -3,7 +3,7 @@
 lantiq_get_dt_led() {
 	local label
 	local ledpath
-	local basepath="/proc/device-tree/base"
+	local basepath="/proc/device-tree"
 	local nodepath="$basepath/aliases/led-$1"
 
 	[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")