portaudio: explicitly disable oss, add PACKAGECONFIG for alsa and jack
* autoenabled dependencies on alsa-lib and jack are breaking espeak
when it's built against portaudio in sysroot without them
| ld: warning: libasound.so.2, needed by usr/lib/libportaudio.so, not found (try using -rpath or -rpath-link)
| ld: warning: libjack.so.0, needed by usr/lib/libportaudio.so, not found (try using -rpath or -rpath-link)
| usr/lib/libportaudio.so: undefined reference to `snd_pcm_sw_params_sizeof@ALSA_0.9'
| usr/lib/libportaudio.so: undefined reference to `snd_pcm_hw_params_test_period_size@ALSA_0.9'
(From meta-openembedded rev:
e33cb25d595e8698c3936410a4ab508125c94d15)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>