libpayload/drivers/usb/ohci_private.h: Add parentheses around macro

Change-Id: Ib90564e32f5ff204aa5d856024b7eed2624a77b7
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/20456
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
1 file changed