ar71xx: fix unaligned access in a few more places

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35130 3c298f89-4303-0410-b956-a3cf2f4a3e73
add ustream-ssl, an ustream abstraction library for SSL stream sockets

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35131 3c298f89-4303-0410-b956-a3cf2f4a3e73