sh: Add support for SH7721 CPU subtype.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/cpu-sh3/gpio.h b/include/asm-sh/cpu-sh3/gpio.h
index 48770c1..4e53eb3 100644
--- a/include/asm-sh/cpu-sh3/gpio.h
+++ b/include/asm-sh/cpu-sh3/gpio.h
@@ -12,7 +12,8 @@
 #ifndef _CPU_SH3_GPIO_H
 #define _CPU_SH3_GPIO_H
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721)
 
 /* Control registers */
 #define PORT_PACR	0xA4050100UL