mxc_i2c: specify i2c base address in config file

The following platforms had their config files changed
flea3, imx31_phycore, mx35pdk, mx53ard, mx53evk, mx53smd
and mx53loco.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Stefano Babic <sbabic@denx.de>
diff --git a/include/configs/mx53ard.h b/include/configs/mx53ard.h
index ffc799c..0a928af 100644
--- a/include/configs/mx53ard.h
+++ b/include/configs/mx53ard.h
@@ -50,7 +50,7 @@
 #define CONFIG_CMD_I2C
 #define CONFIG_HARD_I2C
 #define CONFIG_I2C_MXC
-#define CONFIG_SYS_I2C_MX53_PORT2
+#define CONFIG_SYS_I2C_BASE		I2C2_BASE_ADDR
 #define CONFIG_SYS_I2C_SPEED            100000
 
 /* MMC Configs */