drm/xe/debugfs: Add missing xe_pm_runtime_put in wedge_mode_set

xe_pm_runtime_put is missed in the failure path.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213230322.1180621-1-shuicheng.lin@intel.com


Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>