NFC: Add an shdlc llc module to llc core

This is used by HCI drivers such as the one for the pn544 which require
communications between HCI and the chip to use shdlc.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
5 files changed