[mac80211] fixes libertas firmware install path

fixes #12712

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34961 3c298f89-4303-0410-b956-a3cf2f4a3e73
[kernel] fix typo in HFS kernel module

Signed-off-by: Ian Leonard <antonlacon@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34963 3c298f89-4303-0410-b956-a3cf2f4a3e73