intel/dev: Add device info for DG1

Reworks:
 * Anuj: Set is_dg1
 * Anuj: Add dg1 to gen_device_name_to_pci_device_id
 * Anuj: Update simulator id
 * Rafael: has_llc = false

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4956>
2 files changed