Spektrum bind

Spektrum bind support Spektrum bind with hardware bind plug support. The Spektrum bind code is actually enabled for the NAZE, NAZE32PRO, CJMCU, EUSTM32F103RC, SPARKY, CC3D, ALIENWIIF1, ALIENWIIF3 targets. Configure the bind code The following parameters can be used to enable and configure this in the related target.h file: SPEKTRUM_BIND Enables the Spektrum bind code BIND_PORT