drm/xe/kunit: Remove handling of XE_TEST_SUBPLATFORM_ANY

The only user passing XE_TEST_SUBPLATFORM_ANY is
xe_pci_fake_device_init_any(), but then the function would return
earlier when handling XE_TEST_PLATFORM_ANY. Platforms without a
subplatform use XE_SUBPLATFORM_NONE.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231129232807.1499826-3-lucas.demarchi@intel.com
Link: https://lore.kernel.org/r/20231129232807.1499826-6-lucas.demarchi@intel.com
Link: https://lore.kernel.org/r/20231205133954.2089546-1-lucas.demarchi@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/tests/xe_pci.c

@@ -128,11 +128,6 @@ int xe_pci_fake_device_init(struct xe_device *xe, enum xe_platform platform,
 	if (!ent->device)
 		return -ENODEV;
 
-	if (subplatform == XE_TEST_SUBPLATFORM_ANY) {
-		subplatform_desc = desc->subplatforms;
-		goto done;
-	}
-
 	for (subplatform_desc = desc->subplatforms;
 	     subplatform_desc && subplatform_desc->subplatform;
 	     subplatform_desc++)