Merge pull request #2298 from TheMalkavien/fix/waveshare-rp2040-rx-sensitivity

Fixes #2294 : RX path not enabled on Waveshare RP2040

Author: oltaco

variants/waveshare_rp2040_lora/platformio.ini

@@ -20,6 +20,7 @@ build_flags = ${rp2040_base.build_flags}
   -D P_LORA_MOSI=15
   -D P_LORA_TX_LED=25
   -D SX126X_DIO2_AS_RF_SWITCH=true
+  -D SX126X_RXEN=17
   -D SX126X_DIO3_TCXO_VOLTAGE=1.8
   -D SX126X_RX_BOOSTED_GAIN=1
   -D LORA_TX_POWER=22