staging: brcm80211: cleanup whitespace errors

Cleanup remaining whitespace errors:
	- space before tabs
	- spaces at the start of a line
	- space between function name and open parenthesis '('
	- unnecessary whitespace before a quoted newline

Signed-off-by: Henry Ptasinski <henryp@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>