libz160 is provided as binary. We need EABI toolchain with glibc to use it. [Thomas: adjust dependency comment according to Yann suggestions.] Signed-off-by: Jérôme Pouiller <jezz@sysmic.org> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>