POCSAG RX saves ignored address

Made AFSK code more generic (not tied to LCR)
Added modem presets and more options in AFSK setup
String-ized and simplified LCR UI code
Simplified AFSK baseband code, made to always work on 16bit words

firmware/application/ui_lcr.hpp

@@ -84,7 +84,7 @@ private:
 	std::string litteral[5] { "       " };
 	std::string rgsb { "    " };
 	char lcr_message[512];
-	char lcr_message_data[512];
+	uint16_t lcr_message_data[256];
 	rf::Frequency f { 0 };
 	uint8_t repeat_index { 0 };