fix scripts/make_device_config.sh

Make it handle multiple include statements in a file:

 (1) The printf needs a space so the include files will be separated.
 (2) Also $f can contain multiple failes, so redirection will not work
     and we have to use cat to process all files.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

scripts/make_device_config.sh

@@ -18,7 +18,7 @@ process_includes () {
 
 f=$src
 while [ -n "$f" ] ; do
-  f=`tr -d '\r' < $f | awk '/^include / {printf "'$src_dir'/%s", $2}'`
+  f=`cat $f | tr -d '\r' | awk '/^include / {printf "'$src_dir'/%s ", $2}'`
   [ $? = 0 ] || exit 1
   all_includes="$all_includes $f"
 done