begin multichannel hash impl

src/mesh/RadioLibInterface.cpp

@@ -274,6 +274,7 @@ void RadioLibInterface::handleReceiveInterrupt()
             mp->from = h->from;
             mp->to = h->to;
             mp->id = h->id;
+            mp->channel = h->id;
             assert(HOP_MAX <= PACKET_FLAGS_HOP_MASK); // If hopmax changes, carefully check this code
             mp->hop_limit = h->flags & PACKET_FLAGS_HOP_MASK;
             mp->want_ack = !!(h->flags & PACKET_FLAGS_WANT_ACK_MASK);