Fix compile errors in SGI console drivers (linux-next tree)

The below is the patch to replace blindly all possible places,
including Jack's fixes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
(Reviewed and checked rather than blindly added)
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 60a95bb..23d0305 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -325,7 +325,7 @@
 
 static void receive_chars(struct uart_sio_port *up, int *status)
 {
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned char ch;
 	unsigned char flag;
 	int max_count = 256;