[IA64] Initialize some spinlocks

Some IA64 spinlocks are not being initialized, make it so.

Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 840815f..12d1f14 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -1093,6 +1093,7 @@
 		return -1;
 
 	sal_console_port.sc_ops = &poll_ops;
+	spin_lock_init(&sal_console_port.sc_port.lock);
 	early_sn_setup();	/* Find SAL entry points */
 	register_console(&sal_console_early);