feat(color): Add OneBit option to color radios (and Companion!!) (#1994)

* Added OneBit option also to color radios

* Try to work around GH repo owner issue

Original by @raphaelcoeffic in https://github.com/EdgeTX/edgetx/commit/bf4b5d8c0c1e386d5a4852a80d459540bab98ed3

* Add Companion support for radios with external module

* Companion housekeeping - do not display unnecessary hardware section headings

* fix: Rebase cleanup

* fix: LVGL changes

* feat: Move sample mode to a new Ext RF block

Co-authored-by: elecpower <neilh713@tpg.com.au>
Co-authored-by: Peter Feerick <peter.feerick@gmail.com>

companion/src/firmwares/generalsettings.cpp

@@ -606,6 +606,38 @@ AbstractStaticItemModel * GeneralSettings::stickDeadZoneItemModel()
   return mdl;
 }
 
+QString GeneralSettings::uartSampleModeToString() const
+{
+  return uartSampleModeToString(uartSampleMode);
+}
+
+//  static
+QString GeneralSettings::uartSampleModeToString(int value)
+{
+  switch(value) {
+    case UART_SAMPLE_MODE_NORMAL:
+      return tr("Normal");
+    case UART_SAMPLE_MODE_ONEBIT:
+      return tr("OneBit");
+    default:
+      return CPN_STR_UNKNOWN_ITEM;
+  }
+}
+
+//  static
+AbstractStaticItemModel * GeneralSettings::uartSampleModeItemModel()
+{
+  AbstractStaticItemModel * mdl = new AbstractStaticItemModel();
+  mdl->setName(AIM_GS_UARTSAMPLEMODE);
+
+  for (int i = 0; i < UART_SAMPLE_MODE_COUNT; i++) {
+    mdl->appendToItemList(uartSampleModeToString(i), i);
+  }
+
+  mdl->loadItemList();
+  return mdl;
+}
+
 /*
     TrainerMix
 */