can generate initramfs from busybox

Signed-off-by: Nico Schottelius <nico@wurzel.schottelius.org>

hacking/v2-initramfs-from-os/filelist_to_dir.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ "$#" -ne 1 ]; then
+    echo "$0 outdir"
+    exit 1
+fi
+
+outdir=$1; shift
+
+mkdir -p "$outdir"
+
+while read file; do
+    if [ -d "$file" ]; then
+        mkdir -p "$outdir$file"
+    else
+        cp --preserve=mode,links "$file" "$outdir$file"
+    fi
+done