drm/xe/tile: Release kobject for the failure path

drm/xe/tile: Release kobject for the failure path

Call kobject_put() for the failure path to release the kobject

v2: remove extra newline. (Matt)

Fixes: e3d0839aa501 ("drm/xe/tile: Abort driver load for sysfs creation failure")
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Link: https://lore.kernel.org/r/20250819153950.2973344-2-shuicheng.lin@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>