drivers/pc80/vga: Fix coding style

Change-Id: I0452407d1346ca8ead2638e2a31269931ea5d12e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26328
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
1 file changed