buildroot

libiqrf: Bump to v0.1.2 + update build system.

v0.1.2 update build system from autotools to cmake.

[Thomas: add patch to ensure the CMake build system only checks for a
C compiler and not a C++ compiler]

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>