kernel: add missing config symbol

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35021 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add a module for the isl1208 rtc

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35022 3c298f89-4303-0410-b956-a3cf2f4a3e73
orion: debloat the kernel some more

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35023 3c298f89-4303-0410-b956-a3cf2f4a3e73