Remove all old config XML files and update to copy config files on-the-fly directly from FS source tree during installation process.

git-svn-id: svn://svn.openwrt.org/openwrt/packages@35465 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/freeswitch/patches/000-build-openwrt_rules.mk.patch

@@ -1,7 +1,10 @@
 --- /dev/null
 +++ b/build/openwrt_rules.mk
-@@ -0,0 +1,4 @@
+@@ -0,0 +1,7 @@
 +OPENWRT_DIR=$(shell (cd $(BASE)/../../..;pwd))
++STAGING_PREFIX=$(OPENWRT_DIR)/staging_dir/host
 +STAGING_DIR=$(OPENWRT_DIR)/staging_dir/$(shell (cd $(BASE)/..;basename `pwd`))
 +ARCH="$(shell grep CONFIG_ARCH $(OPENWRT_DIR)/.config|cut -d= -d'"' -f2)"
 +GNU_TARGET_NAME=$(ARCH)-openwrt-linux
++
++include $(OPENWRT_DIR)/rules.mk