kernel: update bcma and ssb to master-2013-01-09 from wireless-testing


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35080 3c298f89-4303-0410-b956-a3cf2f4a3e73
ath9k: add some calibration fixes from wireless-testing

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35081 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm47xx: update bgmac driver to the version in mainline kernel


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35083 3c298f89-4303-0410-b956-a3cf2f4a3e73