Bluetooth: Fix a typo in Kconfig

'internface' has an extra 'n'.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index f7aa2dc..ca0356d 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -216,7 +216,7 @@
 	select BT_RTL
 	help
 	  The Realtek protocol support enables Bluetooth HCI over 3-Wire
-	  serial port internface for Realtek Bluetooth controllers.
+	  serial port interface for Realtek Bluetooth controllers.
 
 	  Say Y here to compile support for Realtek protocol.