mainboard: Trivial - drop trailing blank lines at EOF

Change-Id: I05d6d22664155ac8478e665733f816776e277c22
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6200
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/mainboard/kontron/986lcd-m/mainboard.c

@@ -232,4 +232,3 @@ static void mainboard_enable(device_t dev)
 struct chip_operations mainboard_ops = {
 	.enable_dev = mainboard_enable,
 };
-