firpfbch: adding pre-processor macro for option of using dotprod as separate object from buffer as internal filter
firpfbch: adding pre-processor macro for option of using dotprod as separate object from buffer as internal filter

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