bpacketsync: output less verbose
bpacketsync: output less verbose

  * no longer prints "HEADER FAILED" if crc is invalid

wangning223/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,cjcliffe/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,biotrump/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,cjcliffe/liquid-dsp,wangning223/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,cjcliffe/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,cjcliffe/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,JayKickliter/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,cjcliffe/liquid-dsp,JayKickliter/liquid-dsp,JayKickliter/liquid-dsp,manuts/liquid-dsp