Bluetooth: Add basic interface for LE connection

Adds internal HCI interface routine for creation of basic ACL LE link.
Most of the command interface parameters are fixed.
The internal interface is then used directly by simple public interface with
no connection validation.

Change-Id: I8ed72a9d01348e2a05b62facc9e85060e4500631
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>
3 files changed