i8shark: Adds CONFIG_IEEE802154_I8SHARK_XBEE_APPHDR option to remove XBee's application header before sending to Wireshark. This option will corrupt any traffic received that does not include this application header.
Approved-by: Gregory Nutt <gnutt@nuttx.org>
Adds i8shark, a sniffer "adapter" that captures all 802.15.4 traffic, packages it into a Wireshark ZEP packet, and sends it to a host running Wireshark.
Approved-by: Gregory Nutt <gnutt@nuttx.org>