northbridge/via: Remove a trailing whitespace

Change-Id: I959f2d42bb3b6cd37a7876ad4dae712bdb5a69da
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: http://review.coreboot.org/6315
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
3 files changed