staging: brcm80211: fix for checkpatch warnings in phy directory

Most of them being 'line exceeds 80 chars'. Still checkpatch warnings
for the phy dir left, these will be resolved in the subsequent commits.

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