message: examples: Expose the small signal removal functionality
  Provide an entry for the threshold used with the small signal removal.
diff: @@ -431,15 +431,20 @@ void AdiTofDemoView::render() {
  cvui::text(frame, 60, 340, value);
  int thresholdClicked = cvui::iarea(50, 330, 100, 30);
  - if (cvui::button(frame, 160, 330, 90, 30, "Write")) {
  - // TODO: Write corresponding afe registers
  - // small signal removal threshold value is smallSignalThreshold
  - }
  + if (cvui::button(frame, 160, 330, 90, 30, "Apply")) {
  + const size_t REGS_CNT = 5;
  + uint16_t afeRegsAddr[REGS_CNT] = {0x4001, 0x7c22, 0xc34a, 0x4001,
  + 0x7c22};
  + uint16_t afeRegsVal[REGS_CNT] = {0x0006, 0x0004, 0, 0x0007, 0x0004};
  +
  + afeRegsVal[2] |= smallSignalThreshold;
  if (m_smallSignal) {
  - // TODO: enable small signal
  - } else {
  - // TODO: disable small signal
  + afeRegsVal[2] |= 0x8000;
  + }
  + // TO DO: This breaks things over USB. Works well on the target and
  + // over ethernet.
  + m_ctrl->writeAFEregister(afeRegsAddr, afeRegsVal, 5);
  }
  if (thresholdClicked == cvui::CLICK) {
  