EDAC: Make edac_device workqueue setup/teardown functions static

They're not used anywhere else.

Signed-off-by: Borislav Petkov <bp@suse.de>
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index 5358737..455a64b 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -402,8 +402,8 @@
  *	initialize a workq item for this edac_device instance
  *	passing in the new delay period in msec
  */
-void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
-				unsigned msec)
+static void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
+				    unsigned msec)
 {
 	edac_dbg(0, "\n");
 
@@ -433,7 +433,7 @@
  * edac_device_workq_teardown
  *	stop the workq processing on this edac_dev
  */
-void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
+static void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
 {
 	if (!edac_dev->edac_check)
 		return;