adds voip support

package/ifx-tapi/Config.in

package/ifx-tapi/Makefile

package/ifx-tapi/patches/001-portability.patch

package/ifx-tapi/patches/100-ifxmips.patch

package/ifx-tapidemo/Config.in

package/ifx-tapidemo/Makefile

package/ifx-tapidemo/files/bringup_tapidemo

package/ifx-tapidemo/patches/100-ifxmips.patch

package/ifx-tapidemo/patches/110-no_echo_cancelation.patch

package/ifx-vmmc/Config.in

package/ifx-vmmc/Makefile

package/ifx-vmmc/files/vmmc.init

package/ifx-vmmc/patches/001-portability.patch

package/ifx-vmmc/patches/100-ifxmips.patch

package/ifxos/Makefile