Update 1_Radio.cpp

Hardware malfunction for CC1101 - defect cpainchaud#103
On the serial connection (pio run -e genericESP32 -t monitor) we see continuously:

Now trying to initialize hardware 'CC1101'
Initialized CC1101(freq=433.92Mhz,br=9.600kbps,rxbw=250.0khz)=-104
CC1101 SetOOK(true)=0
CC1101 setPromiscuousMode(true)=0
CC1101 disableSyncWordFiltering(true)=0
Hardware failed to initialize, we will retry later!
Follow instructions here to solve this: cpainchaud#103.

Change ../RFLink32/RFLink/1_Radio.cpp to have default_rxBandwidth = 203000; instead of default_rxBandwidth = 250000;.

RFLink/1_Radio.cpp

@@ -75,7 +75,7 @@ namespace RFLink { namespace Radio  {
 
       const int32_t default_frequency = 433920000;
       const int32_t default_BitRate = 9600;
-      const int32_t default_rxBandwidth = 250000;
+      const int32_t default_rxBandwidth = 203000;
 
       int32_t frequency;
       int32_t rxBandwidth;