Merge pull request #21911 from fabian18/pr/sx126x_fix_dio3

drivers/sx126x: fix compilation for sx126x_dio3

Author: maribu

drivers/sx126x/sx126x.c

@@ -394,9 +394,8 @@ int sx126x_init(sx126x_t *dev)
 #endif
 #if IS_USED(MODULE_SX126X_DIO3)
      if (dev->params->dio3_mode == SX126X_DIO3_TCXO) {
-        sx126x_set_dio3_as_tcxo_ctrl(dev, dev->params->u_dio3_arg.tcxo_volt,
-                                     dev->params->u_dio3_arg.tcx0_timeout);
-
+        sx126x_set_dio3_as_tcxo_ctrl(dev, dev->params->dio3_arg.tcxo_volt,
+                                     dev->params->dio3_arg.tcxo_timeout);
         /* Once the command SetDIO3AsTCXOCtrl(...) is sent to the device,
            the register controlling the internal cap on XTA will be automatically
            changed to 0x2F (33.4 pF) to filter any spurious injection which could occur