ar71xx: improve ethernet driver cache footprint by removing an unnecessary pointer

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43588 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add netfilter.mk to modules makefile SCAN_DEPS

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43589 3c298f89-4303-0410-b956-a3cf2f4a3e73