[SeaBIOS] WD Elements hang SeaBIOS at boot with "call16 with invalid stack"

[Kevin O'Connor]

On Wed, Dec 23, 2015 at 09:14:44PM +0100, Tobias Diedrich wrote:
> Final diff attached (without the src/stacks.c change, with %d->%u change
> for sector counts).
> Bootlog with debug_level 1 attached.

Great!  Patches sent - if no further comments I'll commit in a few
days.

-Kevin