Make FrameReceiverConfig rx_type mapping methods static.
Make FrameReceiverConfig rx_type mapping methods static.

Allows them to used when no config object is in scope.
odin-detector/odin-data,percival-detector/odin-data,odin-detector/odin-data,percival-detector/odin-data,percival-detector/odin-data,odin-detector/odin-data,percival-detector/odin-data,odin-detector/odin-data,percival-detector/odin-data,percival-detector/odin-data,percival-detector/odin-data,odin-detector/odin-data,odin-detector/odin-data,odin-detector/odin-data