Add Malaysia Frequency (#809)

meshtastic/firmware#3053
meshtastic/protobufs#418

app/src/main/java/com/geeksville/mesh/model/ChannelOption.kt

@@ -79,6 +79,8 @@ enum class RegionInfo(
     TH(RegionCode.TH, 920.0f, 925.0f),
     UA_433(RegionCode.UA_433, 433.0f, 434.7f),
     UA_868(RegionCode.UA_868, 868.0f, 868.6f),
+    MY_433(RegionCode.MY_433, 433.0f, 435.0f),
+    MY_919(RegionCode.MY_919, 919.0f, 924.0f),
     LORA_24(RegionCode.LORA_24, 2400.0f, 2483.5f),
     UNSET(RegionCode.UNSET, 902.0f, 928.0f),
     ;