lio-utils: initial add 4.1

lio-utils (lio-utils.git) provide a simple low-level configuration tool
set for the Target+iSCSI (LIO).

lio-utils use the configFS kernel API that is available with LIO, which
provides a clean interface for controlling the kernel level Target
engine and its fabric module subsystems.

Signed-off-by: Ting Liu <b28495@freescale.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>