staging: brcm80211: run scripts/cleanfile to remove whitespace errors

Used scripts/cleanfile to remove assorted whitespace errors.
Signed-off-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmutil/wifi.c

@@ -129,4 +129,3 @@ int brcmu_mhz2channel(uint freq, uint start_factor)
 	return ch;
 }
 EXPORT_SYMBOL(brcmu_mhz2channel);
-