omap2: i2c: add syss offset

OMAP2420 ES2.3 trm defines syss register offset as 0x10. Add it.

Cc: Steve Sakoman <steve@sakoman.com>
Cc: Heiko <hs@denx.de>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Wolfang Denk <wd@denx.de>

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Steve Sakoman <steve@sakoman.com>

arch/arm/include/asm/arch-omap24xx/i2c.h

@@ -36,7 +36,9 @@ struct i2c {
 	unsigned short stat;	/* 0x08 */
 	unsigned short res3;
 	unsigned short iv;	/* 0x0C */
-	unsigned short res4[3];
+	unsigned short res4;
+	unsigned short syss;	/* 0x10 */
+	unsigned short res4p1;
 	unsigned short buf;	/* 0x14 */
 	unsigned short res5;
 	unsigned short cnt;	/* 0x18 */