linux/3.8: add missing config symbols

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@35861 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: update linux 3.8 to 3.8.1

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@35862 3c298f89-4303-0410-b956-a3cf2f4a3e73