staging: brcm80211: reformat long lines in brcmsmac to 80 columns

Linux coding style strongly suggest to limit length of source lines
to 80 characters. This commit correct this for the brcmsmac sources.

Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>