ramips: add missing symbols to rt288x config

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37042 3c298f89-4303-0410-b956-a3cf2f4a3e73
ramips: fix rt2x00 ethernet compile bug

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37043 3c298f89-4303-0410-b956-a3cf2f4a3e73