mgsuvd: fix compiler warning when using soft_i2c driver

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 508d3d7..ebe60e2 100644
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #ifdef	CONFIG_MPC8260			/* only valid for MPC8260 */
 #include <ioports.h>
+#include <asm/io.h>
 #endif
 #ifdef	CONFIG_AT91RM9200		/* need this for the at91rm9200 */
 #include <asm/io.h>
@@ -39,6 +40,9 @@
 #ifdef CONFIG_LPC2292
 #include <asm/arch/hardware.h>
 #endif
+#ifdef	CONFIG_MPC866			/* only valid for MPC866 */
+#include <asm/io.h>
+#endif
 #include <i2c.h>
 
 /* #define	DEBUG_I2C	*/