SC26XX: missing PORT define in serial_core.h

When submitting the driver for inclusion to 2.6.25 I've missed the change to
serial_core.h. This patch fixes this.
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/linux/serial_core.h

@@ -149,6 +149,8 @@
 /* Freescale ColdFire */
 #define PORT_MCF	78
 
+#define PORT_SC26XX	79
+
 
 /* MN10300 on-chip UART numbers */
 #define PORT_MN10300		80