ar71xx: fixes whitespaces for dir-825-c1

Signed-off-by: Alexander Stadler <sa.maillists@univie.ac.at>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35455 3c298f89-4303-0410-b956-a3cf2f4a3e73