move <packages/phone> into own feed <feeds/phone> and add entry to <feeds.conf.default>

SVN-Revision: 14064

feeds.conf.default

@@ -1,3 +1,4 @@
 src-svn packages https://svn.openwrt.org/openwrt/packages
 src-svn xwrt http://x-wrt.googlecode.com/svn/trunk/package
 src-svn luci http://svn.luci.subsignal.org/luci/branches/luci-0.8/contrib/package
+#src-svn phone https://svn.openwrt.org/openwrt/feeds/phone