Fix SX126x XTAL initialisation (#14)

Author: zhgzhg

smtUdpPacketForwarder/Radio.cpp

@@ -147,6 +147,7 @@ void hexPrint(uint8_t data[], int length, FILE *dest) { // {{{
 	    } else { \
 	      SX126x* sx126x_chip = dynamic_cast<SX126x*>(origin); \
 	      if (sx126x_chip != nullptr) { \
+	        sx126x_chip->XTAL = true; \
 	        result = sx126x_chip->invertIQ(false); \
 	        if (result == RADIOLIB_ERR_NONE) { \
 	          result = sx126x_chip->setCRC((uint8_t) 1); \
@@ -184,6 +185,7 @@ void hexPrint(uint8_t data[], int length, FILE *dest) { // {{{
 	      } else { \
 	        SX126x* sx126x_chip = dynamic_cast<SX126x*>(origin); \
 	        if (sx126x_chip != nullptr) { \
+	          sx126x_chip->XTAL = true; \
 	          result = sx126x_chip->invertIQ(downlink_pkt.iq_polatization_inversion); \
 	          if (result == RADIOLIB_ERR_NONE) { \
 	            result = sx126x_chip->setCRC(downlink_pkt.disable_crc ? (uint8_t) 0 : (uint8_t) 1); \
@@ -203,6 +205,8 @@ void hexPrint(uint8_t data[], int length, FILE *dest) { // {{{
 	      downlink_pkt.preamble_length, \
 	      false /* don't use OOK */ \
 	    ); \
+	    SX126x* sx126x_chip = dynamic_cast<SX126x*>(origin); \
+	    if (sx126x_chip != nullptr) sx126x_chip->XTAL = true; \
 	    if (result == RADIOLIB_ERR_NONE) result = chip->setSyncWord(gfskSyncWord, ((uint8_t) sizeof(gfskSyncWord))); \
 	  } \
 	  if (result == RADIOLIB_ERR_NONE) result = chip->setCurrentLimit(current_lim_ma); \