kernel: add some missing config options

This was spotted by the buildbots.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38604 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add missing dependency for kernel 3.12 in tg3

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38605 3c298f89-4303-0410-b956-a3cf2f4a3e73