arch/x86/include/pci_io_cfg: introduce PCI_IO_CONFIG_[INDEX,DATA] define

Instead of having multiple instances of the same magic numbers in the
code, introduce and use the PCI_IO_CONFIG_INDEX and PCI_IO_CONFIG_DATA
definitions.

TEST=Timeless build for Mandolin results in identical image.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If6f6f058180cf36cae7921ce3c7aaf1a0c75c7b9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

0 files changed, 0 insertions, 0 deletions