Hi,
(1) Figure which devices are needed to boot. That list should include VGA, storage devices, NICs (with ROM), maybe all devices with a ROM. Anything else? (2) For devices which are not needed to boot we can: (b) Skip device altogether.
Something like this ...
cheers, Gerd
PS: full patch collection @ http://www.kraxel.org/cgit/seabios/log/?h=kraxel.q35