Added low-level access macro

src/BuildOpt.h

@@ -400,6 +400,13 @@
  */
 //#define RADIOLIB_GODMODE
 
+/*
+ * Uncomment to enable low-level hardware access
+ * This will make some hardware methods like SPI get/set accessible from the user sketch - think of it as "god mode lite"
+ * Warning: RadioLib won't stop you from writing invalid stuff into your device, so it's quite easy to brick your module with this.
+ */
+//#define RADIOLIB_LOW_LEVEL
+
 /*
  * Uncomment to enable pre-defined modules when using RadioShield.
  */