sh: fix PFC registers definition for SH772{2, 3, 4}

Add missing port X data register, and fix the offset of ports Y and Z.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/sh/include/asm/cpu_sh7722.h b/arch/sh/include/asm/cpu_sh7722.h
index 7be37ae..bf57e18 100644
--- a/arch/sh/include/asm/cpu_sh7722.h
+++ b/arch/sh/include/asm/cpu_sh7722.h
@@ -1250,8 +1250,9 @@
 #define PUDR        0xA4050162
 #define PVDR        0xA4050164
 #define PWDR        0xA4050166
-#define PYDR        0xA4050168
-#define PZDR        0xA405016A
+#define PXDR        0xA4050168
+#define PYDR        0xA405016A
+#define PZDR        0xA405016C
 
 /*	UBC	*/
 #define CBR0        0xFF200000