sunhv: Fix locking in non-paged I/O case.

This causes the lock to be taken twice, thus resulting in
a deadlock.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/serial/sunhv.c

@@ -499,7 +499,6 @@ static void sunhv_console_write_bychar(struct console *con, const char *s, unsig
 	} else
 		spin_lock(&port->lock);
 
-	spin_lock_irqsave(&port->lock, flags);
 	for (i = 0; i < n; i++) {
 		if (*s == '\n')
 			sunhv_console_putchar(port, '\r');