staging: brcm80211: consolidate SHOW_EVENTS code under BCMDBG in fullmac

Use unify config marco for debug info. Related event debug print out can be
enabled/disabled by the dedicated event message level.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/brcm80211/brcmfmac/Makefile
Simple merge

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