drm/xe/uapi: Expose SIMD16 EU mask in topology query

PVC, Xe2 and later platforms have 16-wide EUs. We were implicitly
reporting for PVC the number of 16-wide EUs without giving userspace any
hint that they were different than for other platforms. Xe2 and later
also have 16-wide, but in those cases the reported number would
correspond to the 8-wide count.

To avoid confusion and make sure the right number is used by userspace
depending on the platform, add a new item to the topology query and drop
the one that is not available. The new mask reported for both PVC and
Xe2 should now match the numbers reported via hwconfig.

v2: Use a different topo item with EU type in its name to report the
    new mask instead of adding the type itself as the item (Matt Roper)

Reviewed-by: Matt Roper <[email protected]>
Acked-by: José Roberto de Souza <[email protected]>
Acked-by: Mateusz Jablonski <[email protected]>
Acked-by: Wenbin Lu <[email protected]>
Acked-by: Effie Yu <[email protected]>
Acked-by: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Lucas De Marchi <[email protected]>

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