extcon: trivial: kfree missed from remove path

Extcon core doesn't free the memory when we do unregister.
Kfree is added in the remove path as it was missing.

Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index cffeab6..a17d0d9 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -783,6 +783,7 @@
 		free_irq(muic_irqs[i].virq, info);
 	cancel_work_sync(&info->irq_work);
 	extcon_dev_unregister(info->edev);
+	kfree(info->edev);
 	kfree(info);
 
 	return 0;