i965: Add PCI IDs for new Amberlake parts that are Coffeelake based

See commit c0c46ca461f136a0ae1ed69da6c874e850aeeb53 in the Linux kernel,
where José Roberto de Souza added this new PCI ID there.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 5bd83696)