[RADIOLIB] build infra for most recent Semtech LR2021 radio

Author: lyusupov

software/firmware/source/SoftRF/src/driver/GNSS.cpp

@@ -1352,6 +1352,7 @@ byte GNSS_setup() {
       hw_info.model == SOFTRF_MODEL_DECENT    ||
       hw_info.model == SOFTRF_MODEL_NEO       ||
       hw_info.model == SOFTRF_MODEL_SOLARIS   ||
+      hw_info.model == SOFTRF_MODEL_POCKET    ||
       hw_info.model == SOFTRF_MODEL_AIRVENTURE)
   {
     // power on by wakeup call

software/firmware/source/SoftRF/src/driver/RF.cpp

@@ -111,6 +111,10 @@ byte RF_setup(void)
     } else if (lr1121_ops.probe()) {
       rf_chip = &lr1121_ops;
 #endif /* EXCLUDE_LR11XX */
+#if 0 // !defined(EXCLUDE_LR20XX)
+    } else if (lr2021_ops.probe()) {
+      rf_chip = &lr2021_ops;
+#endif /* EXCLUDE_LR20XX */
 #if !defined(EXCLUDE_SX1280)
     } else if (sx1280_ops.probe()) {
       rf_chip = &sx1280_ops;

software/firmware/source/SoftRF/src/driver/RF.h

@@ -89,6 +89,7 @@ enum
   RF_IC_SX1280,
   RF_IC_SI4432,
   RF_IC_SI4463,
+  RF_IC_LR2021,
 };
 
 enum
@@ -186,6 +187,7 @@ extern const rfchip_ops_t cc1101_ops;
 extern const rfchip_ops_t sx1280_ops;
 extern const rfchip_ops_t sx1231_ops;
 extern const rfchip_ops_t si4432_ops;
+extern const rfchip_ops_t lr2021_ops;
 #endif /* USE_RADIOLIB */
 
 #if defined(USE_RADIOHEAD)