In preparation for adding 3.14 kernel support, move files and patches to
a separate per-version directory since some of them will have
incompatible changes (e.g: dts)

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42413 3c298f89-4303-0410-b956-a3cf2f4a3e73