[SeaBIOS] [PATCH] Update EFI_COMPATIBILITY16_TABLE to match 0.98 spec update

We expect to use the space between the top of option ROMs and the bottom of our own BIOS code as a stack. OVMF was previously marking the whole region from 0xC to 0xF read-only before invoking our Legacy16Boot method. Read-only stack considered harmful. Version 0.98 of the CSM spec adds

Re: [SeaBIOS] [PATCH] Update EFI_COMPATIBILITY16_TABLE to match 0.98 spec update

On Mon, Dec 02, 2013 at 04:02:59PM +, David Woodhouse wrote: We expect to use the space between the top of option ROMs and the bottom of our own BIOS code as a stack. OVMF was previously marking the whole region from 0xC to 0xF read-only before invoking our Legacy16Boot method.