drm/xe/kunit: Use xe kunit helper in RTP test

Replace drm_kunit_helper_alloc_drm_device with xe helper.

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20231218190629.502-8-michal.wajdeczko@intel.comSigned-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>

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

@@ -15,6 +15,7 @@
 #include "regs/xe_reg_defs.h"
 #include "xe_device.h"
 #include "xe_device_types.h"
+#include "xe_kunit_helpers.h"
 #include "xe_pci_test.h"
 #include "xe_reg_sr.h"
 #include "xe_rtp.h"
@@ -276,9 +277,7 @@ static int xe_rtp_test_init(struct kunit *test)
 	dev = drm_kunit_helper_alloc_device(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
 
-	xe = drm_kunit_helper_alloc_drm_device(test, dev,
-					       struct xe_device,
-					       drm, DRIVER_GEM);
+	xe = xe_kunit_helper_alloc_xe_device(test, dev);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
 
 	/* Initialize an empty device */