intel/skl: Add missing SKL PCI IDs

Used by production devices:
    Intel(R) HD Graphics 510
    Intel(R) HD Graphics 535
    Intel(R) Iris(TM) Graphics 550
    Intel(R) Iris(TM) Graphics P555

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Tested-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
1 file changed