Bluetooth: Add LE SecMgr and mgmtops support

Enabled ECB Block encoding for Low Energy pairing
Implemented missing components of MGMTOPS interface
Differentiated as needed between BR/EDR pairing and LE pairing

Signed-off-by: Brian Gix <bgix@codeaurora.org>

Conflicts:

	net/bluetooth/mgmt.c
14 files changed