drm/xe/guc_pc: s/pc_fini/pc_fini_hw/

Make it clear that is about cleaning up the HW/FW side, and not software
state.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522102143.128069-25-matthew.auld@intel.com

drivers/gpu/drm/xe/xe_guc_pc.c

@@ -889,10 +889,10 @@ int xe_guc_pc_stop(struct xe_guc_pc *pc)
 }
 
 /**
- * xe_guc_pc_fini - Finalize GuC's Power Conservation component
+ * xe_guc_pc_fini_hw - Finalize GuC's Power Conservation component
  * @arg: opaque pointer that should point to Xe_GuC_PC instance
  */
-static void xe_guc_pc_fini(void *arg)
+static void xe_guc_pc_fini_hw(void *arg)
 {
 	struct xe_guc_pc *pc = arg;
 	struct xe_device *xe = pc_to_xe(pc);
@@ -940,5 +940,5 @@ int xe_guc_pc_init(struct xe_guc_pc *pc)
 
 	pc->bo = bo;
 
-	return devm_add_action_or_reset(xe->drm.dev, xe_guc_pc_fini, pc);
+	return devm_add_action_or_reset(xe->drm.dev, xe_guc_pc_fini_hw, pc);
 }