Revert "driver core: Remove check in driver_deferred_probe_force_trigger()"

This reverts commit fefcfc96.

The reverted commit is fixing commit 716a7a25 ("driver core:
fw_devlink: Add support for batching fwnode parsing"). Since the
original commit will be reverted, the fix can be reverted too.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20201121020232.908850-5-saravanak@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/dd.c

@@ -172,6 +172,9 @@ static void driver_deferred_probe_trigger(void)
 
 void driver_deferred_probe_force_trigger(void)
 {
+	if (!driver_deferred_probe_enable)
+		return;
+
 	/*
 	 * A successful probe means that all the devices in the pending list
 	 * should be triggered to be reprobed.  Move all the deferred devices