msi/ms6156/devicetree.cb: Remove trailing whitespace

Change-Id: Ib2c08b58ab98d681f34a435c5ddcb4a9cbab65c1
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: http://review.coreboot.org/6348
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
1 file changed