usb-serial: Use tty_port version console instead of usb_serial_port

Replace all instances of using the console variable in struct
usb_serial_port with the struct tty_port version.

CC: Alan Cox <alan@linux.intel.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Oliver Neukum <oliver@neukum.org>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: linux-usb@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 3873660..f3f6517 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -289,7 +289,7 @@
 	 * The console is magical.  Do not hang up the console hardware
 	 * or there will be tears.
 	 */
-	if (port->console)
+	if (port->port.console)
 		return;
 	if (drv->close)
 		drv->close(port);
@@ -328,7 +328,7 @@
 	/* The console is magical.  Do not hang up the console hardware
 	 * or there will be tears.
 	 */
-	if (port->console)
+	if (port->port.console)
 		return;
 
 	dbg("%s - port %d", __func__, port->number);