mfgtools: new package

mfgtools: new package

This package contains the Freescale manufacturing tool.
It is designed to program firmware to i.MX boards during production.
The communication is done over USB using the Freescale UTP protocol.

The project is maintained on NXPMicro Github repository:
https://github.com/NXPmicro/mfgtools

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
[Thomas:
 - remove dependency on host-cmake, this is handled by the
   host-cmake-package infrastructure
 - add quotes around $(HOSTCXX)
 - add CPOL.htm to <pkg>_LICENSE_FILES.
 - tweaks to the readme.txt file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>