ath9k: add support for more antenna mask combinations on AR93xx

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35264 3c298f89-4303-0410-b956-a3cf2f4a3e73
uhttpd: fix unencrypted passwords in httpd.conf

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35265 3c298f89-4303-0410-b956-a3cf2f4a3e73