mpc83xx: Correct the struct spi8xxx in mpc8xxx_spi.h

The commit 04a9e1180ac76a7bacc15a6fcd95ad839d65bddb
cause the 83xx immap broken, so the DMA and PCI will
be failed.

The patch fix the struct spi8xxx and rm struct spi83xx.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/asm-ppc/mpc8xxx_spi.h b/include/asm-ppc/mpc8xxx_spi.h
index 053d11e..48b15e4 100644
--- a/include/asm-ppc/mpc8xxx_spi.h
+++ b/include/asm-ppc/mpc8xxx_spi.h
@@ -40,7 +40,7 @@
 	u32 com;	/* command register */
 	u32 tx;		/* transmit register */
 	u32 rx;		/* receive register */
-	u8 res1[0xC8];	/* fill up to 0x100 */
+	u8 res1[0xFC8];	/* fill up to 0x1000 */
 } spi8xxx_t;
 
 #endif