This reverts commit b6fc28a1.

This commit is reported to cause a regression in the support for some
revisions of 4313 ePA devices.

http://marc.info/?l=linux-wireless&m=136360340200943&w=2

Conflicts:
	drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
Reported-by: NDavid Herrmann <dh.herrmann@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>