[STM32WL] Fixed build for Platformio (#718)

src/Module.h

@@ -7,6 +7,10 @@
   #include <SPI.h>
 #endif
 
+#if defined(STM32WLxx)
+  #include <SubGhz.h>
+#endif
+
 /*!
 * Value to use as the last element in a mode table to indicate the
 * end of the table.

src/modules/SX126x/STM32WLx.cpp

@@ -9,8 +9,6 @@ This file is licensed under the MIT License: https://opensource.org/licenses/MIT
 #include "STM32WLx.h"
 #if !defined(RADIOLIB_EXCLUDE_STM32WLX)
 
-#include <SubGhz.h>
-
 STM32WLx::STM32WLx(STM32WLx_Module* mod) : SX1262(mod) {
 }
 

src/modules/SX126x/STM32WLx_Module.cpp

@@ -9,8 +9,6 @@ This file is licensed under the MIT License: https://opensource.org/licenses/MIT
 
 #if !defined(RADIOLIB_EXCLUDE_STM32WLX)
 
-#include <SubGhz.h>
-
 // This defines some dummy pin numbers (starting at NUM_DIGITAL_PINS to
 // guarantee these are not valid regular pin numbers) that can be passed
 // to the parent Module class, to be stored here and then passed back to