i2c: update config using mxc driver to new subsystem

Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h
index 2f59104..2d1b800 100644
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -40,10 +40,9 @@
 /*
  * Hardware drivers
  */
-#define CONFIG_HARD_I2C
-#define CONFIG_I2C_MXC
-#define CONFIG_SYS_I2C_BASE		I2C1_BASE_ADDR
-#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_SPD_BUS_NUM		0 /* I2C1 */
 #define CONFIG_MXC_SPI
 #define CONFIG_MXC_GPIO