arch/x86/include/arch/vga: add defines for VGA MMIO addresses

To avoid magic constants in the code, add defines for the VGA MMIO
address range from 0xa0000-0xbffff.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ie4a4f39a4e876bbba59620d689cd56c3c286daae
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75618
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions