decide whether the option ROM is a special VGA type.
An S3 card that I've got has the wrong class in the VGA BIOS.
(A Stealth 64 DRAM T PCI, from 1994 - BIOS V2.02)
Signed-off-by: Mark Marshall <mark.marshall@csr.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4909 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1