s3c64xx: fix the wrong gpio offset

This patch fix the wrong gpio offset

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

include/s3c6400.h

@@ -215,9 +215,9 @@
 #define GPACONSLP_OFFSET	0x0C
 #define GPAPUDSLP_OFFSET	0x10
 #define GPBCON_OFFSET		0x20
-#define GPBDAT_OFFSET		0x04
-#define GPBPUD_OFFSET		0x08
-#define GPBCONSLP_OFFSET	0x0C
+#define GPBDAT_OFFSET		0x24
+#define GPBPUD_OFFSET		0x28
+#define GPBCONSLP_OFFSET	0x2C
 #define GPBPUDSLP_OFFSET	0x30
 #define GPCCON_OFFSET		0x40
 #define GPCDAT_OFFSET		0x44