configs/udoo_quad_defconfig: new defconfig

configs/udoo_quad_defconfig: new defconfig

Added defconfig for UDOO Quad board. Used official (manufacturer) kernel 3.0.35.
Kernel is patched in order to use gcc version 4.8 and above, according to
mailing list at
https://lists.yoctoproject.org/pipermail/meta-freescale/2013-July/003531.html

Bootloader is also downloaded from official (manufacturer) repository.

Signed-off-by: Ivo Slanina <ivo.slanina@gmail.com>
[ThomasDS: use explicit commits instead of 'master'; clarify source for
kernel and u-boot as 'manufacturer']
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Tested-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
(compile-tested only)
[Thomas P: remove glibc, C++ and mdev selection, added some comments.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>