staging: brcm80211: rename structures and variables in wl_cfg80211.c

Making an effort getting rid of the wl_ prefix from the fullmac source
files.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
Simple merge

diff --cc drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h
Simple merge