drm/i915: Mark AML 0x87CA as ULX

drm/i915: Mark AML 0x87CA as ULX

If I'm reading the spec right AML 0x87CA is a Y SKU, so it
should be marked as ULX in our old style terminology.

Cc: [email protected]
Cc: José Roberto de Souza <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Fixes: c0c46ca461f1 ("drm/i915/aml: Add new Amber Lake PCI ID")
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: José Roberto de Souza <[email protected]>