Add two new multi protocols (#4240)

- Add binding sound while multi module is binding.

radio/src/gui/gui_common_arm.cpp

@@ -617,6 +617,7 @@ const mm_protocol_definition multi_protocols[] = {
   { MM_RF_PROTO_OLRS,       nullptr,              0,  STR_MULTI_RFPOWER   },
   { MM_RF_PROTO_FS_AFHDS2A, STR_SUBTYPE_AFHDS2A,  3,  STR_MULTI_SERVOFREQ },
   { MM_RF_PROTO_Q2X2,       STR_SUBTYPE_Q2X2,     1,  nullptr             },
+  { MM_RF_PROTO_WK_2X01,    STR_SUBTYPE_WK2x01,   5,  nullptr             },
   { MM_RF_CUSTOM_SELECTED,  nullptr,              7,  STR_MULTI_OPTION    },
 
   //Sential and default for protocols not listed above (MM_RF_CUSTOM is 0xff()