[ARM] S3C24A0: Serial port definitions and driver support.

Add serial support for S3C24A0, based on current S3C2410
UART driver. It adds necessary new defines in regs-serial.h
for S3C24A0 and the code to support this device in
drivers/serial/s3c24a0.c

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/plat-s3c/include/plat/regs-serial.h

@@ -149,6 +149,14 @@
 #define S3C2410_UFSTAT_RXMASK	  (15<<0)
 #define S3C2410_UFSTAT_RXSHIFT	  (0)
 
+/* UFSTAT S3C24A0 */
+#define S3C24A0_UFSTAT_TXFULL	  (1 << 14)
+#define S3C24A0_UFSTAT_RXFULL	  (1 << 6)
+#define S3C24A0_UFSTAT_TXMASK	  (63 << 8)
+#define S3C24A0_UFSTAT_TXSHIFT	  (8)
+#define S3C24A0_UFSTAT_RXMASK	  (63)
+#define S3C24A0_UFSTAT_RXSHIFT	  (0)
+
 /* UFSTAT S3C2443 same as S3C2440 */
 #define S3C2440_UFSTAT_TXFULL	  (1<<14)
 #define S3C2440_UFSTAT_RXFULL	  (1<<6)