lantiq: update VR9 v1.2 GPHY firmware

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
[boot] uboot-lantiq: update to v2013.10

Patches created from tree:
git@github.com:danielschwierzeck/u-boot-lantiq.git
v2013.10..u-boot-lantiq-v2013.10-openwrt2

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
[boot] uboot-lantiq: reuse/copy VR9 GPHY firmware blobs from target/linux/lantiq

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
[boot] uboot-lantiq: add packages for Lantiq EASY50712

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
[boot] uboot-lantiq: add packages for Lantiq EASY80920

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>