mac80211: add missing dependencies

Add missing dependencies for rt2800-lib and lib80211.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37422 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add missing kernel config symbol

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37423 3c298f89-4303-0410-b956-a3cf2f4a3e73
xtables-addons: add missing kmod dependencies

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37424 3c298f89-4303-0410-b956-a3cf2f4a3e73
xtables-addons: use a select of kmod-ipt-core instead of depending on it

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37425 3c298f89-4303-0410-b956-a3cf2f4a3e73