sh: Add support Renesas SH7203 processor

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index 2b9eeed..46600e6 100644
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -70,7 +70,8 @@
 # endif
 #elif defined(CONFIG_CPU_SH7750) || \
 	defined(CONFIG_CPU_SH7751) || \
-	defined(CONFIG_CPU_SH7722)
+	defined(CONFIG_CPU_SH7722) || \
+	defined(CONFIG_CPU_SH7203)
 # define SCSPTR	(vu_short *)(SCIF_BASE + 0x20)
 # define SCLSR 	(vu_short *)(SCIF_BASE + 0x24)
 # define LSR_ORER	1