kamailio-4.1.x: remove duplicit nathelper module

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
FreeSWITCH:
 1. Bump to FS GIT EHAD 5173471b06d88063ec7e2622c92c9674840ae4b1.
 2. Flag mod_yaml as BROKEN.
 3. Fine tune PKG_CONFIG_PATH to ${STAGING_DIR}/usr/lib/pkg-config .

Signed-off-by: Mazi Lo <openwrt.mazilo@recursor.net>
yate: add patch that adds ppc arch to typedefs.h

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>