ralink: drop dwc_otg support. dwc2 seems stable

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42617 3c298f89-4303-0410-b956-a3cf2f4a3e73
lantiq: set 3.14 as default

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42618 3c298f89-4303-0410-b956-a3cf2f4a3e73