Changed patch behavior because if was not comfortable. Now you don't need to...

Changed patch behavior because if was not comfortable. Now you don't need to add every patch into buildscript.

Signed-off-by: Jan Kraus <mayosemmel@gmail.com>
Reviewed-by: Steffen Pankratz <kratz00@gmx.de>

buildscript

@@ -116,6 +116,12 @@ get_source() {
     cd .. # src
 }
 
+patch_target() {
+    for patch in "$PWD"/build_patches/openwrt/*.patch; do
+        patch -p0 -d "$target" -i "$patch"
+    done
+}
+
 prepare() {
     get_source
 
@@ -155,15 +161,7 @@ prepare() {
         fi
     done
 
-    # todo evaluate this with the new openwrt
-    # This changes the default behavior of sysupgrade to not save the config
-    patch -p0 -d "$target" -i "$PWD"/build_patches/sysupgrade_no_config_save.patch
-
-    # set default password to 'ffol'
-    patch -p0 -d "$target" -i "$PWD"/build_patches/set_root_password.patch
-
-    #add Support for GL-AR150 see also http://git.openwrt.org/?p=openwrt.git;a=commit;h=8211e81bce57392635fa3ad6572514387118e4a5
-    patch -p0 -d "$target" -i "$PWD"/build_patches/ar71xx-add-support-for-GL-AR150.patch
+    patch_target
 
     #saves ~200MB for each build
     test -d ./src/dl || mkdir ./src/dl