lr-wpan: Debloat MAC PD-DATA.indication (part 2)
This is a follow-up to !2451 (merged). This MR continues debloating the PD-DATA.indication primitive.
In this MR:
- Received Command Packets are handled in their own function
- Received Data Packets are handled in their own function
- Handling the logging of successfully received packets was moved to its own PrintPacket function.
2 or 3 more MR will follow this one.
Edited by Alberto Gallegos