sim_offload: add lame to apps/audiotuils/lame

[shizhenghui]

Summary

Add lame library to apps/audioutils/lame Move sim_offload.c out of posix directory Remove -lmad & -lmp3lame from Makefile sim/alsa: Open AUDIOUTILS_LAME & AUDIOUTILS_LIBMAD

Impact

Simulator offload using internal mp3lame encoder instead of the host mp3lame encoder.

Testing

nxrecorder nxrecorder> device pcm1c nxrecorder> record /data/rec.mp3 2 16 44100 nxrecorder> stop nxrecorder> close