drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()

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                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/xe/xe_exec_queue.c"
                    ],
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