libpayload: fix USB

A "far" modifier sneaked into the USB driver, but gcc
doesn't understand it.

Change-Id: I5c67bd55eabce467e1aa107c95c1db2518af7b0e
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/2059
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
1 file changed