add an i2c driver for mx31

This patch adds an i2c driver for Freescale i.MX processors

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 29d6c03..071ef00 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -29,6 +29,7 @@
 COBJS-y += omap1510_i2c.o
 COBJS-y += omap24xx_i2c.o
 COBJS-y += tsi108_i2c.o
+COBJS-y += mxc_i2c.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(COBJS:.o=.c)