Reducing SPI footprint (amount of inline).
Adjusting address structure to little endian, device address byte first.
Improving CC1101 performance and reduced footprint.

1. Removing inner SPI transaction blocks.
2. Adding support for TINYX4 and MEGA. All but TINYX5 now supported.
3. Adjusting payload size for header with length, dest and src address.
Updating Wireless interface examples to handle CC1101 and NRF24L01P devices.
Adjusting NRF24L01P pipe to device address handling.