package/kernel: add package for the Freescale Gianfar driver

[juhosg: move the fsl-pq-mdio driver into a separate package]

Patchwork: http://patchwork.openwrt.org/patch/3345/


Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35705