Input: atkbd - don't lose keymap settings when reconnecting keyboard

Call serio_reconnect() instead of serio_rescan() when detecting that
a new keyboard was plugged in. This should help KVM uses losing custom
keymap settings when switching between boxes.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index a0256f8..ffacf6e 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -321,7 +321,7 @@
 	switch (code) {
 		case ATKBD_RET_BAT:
 			atkbd->enabled = 0;
-			serio_rescan(atkbd->ps2dev.serio);
+			serio_reconnect(atkbd->ps2dev.serio);
 			goto out;
 		case ATKBD_RET_EMUL0:
 			atkbd->emul = 1;