serial: Added Timberdale UART driver

Driver for the UART found in the Timberdale FPGA

Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 48766ea..6fd80c4 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -168,6 +168,9 @@
 /* MAX3100 */
 #define PORT_MAX3100    86
 
+/* Timberdale UART */
+#define PORT_TIMBUART	87
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>