anv: Do not duplicate intel_device_info memory in each logical device

anv: Do not duplicate intel_device_info memory in each logical device

Each logical device can point to its physical device intel_device_info
saving at least one intel_device_info.

This also allow us to set 'const' to avoid values in intel_device_info
being changed by mistake.

Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17897>