The RF230 radio driver has the following configuration options. Some of
-these are set in the platforms/xxx/chips/rf230/RadioConfig.h header file.
-For example see the IRIS platform.
+these are set in the platforms/xxx/chips/rf230/RadioConfig.h header file,
+see the IRIS platform for example, others can be set in your Makefile.
RF230_TRX_CTRL_0_VALUE: