arm: mx50_rdp: add i2c bus support

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/board-mx50_rdp.c b/arch/arm/mach-mx5/board-mx50_rdp.c
index 3180d43..75beef7 100644
--- a/arch/arm/mach-mx5/board-mx50_rdp.c
+++ b/arch/arm/mach-mx5/board-mx50_rdp.c
@@ -184,6 +184,10 @@
 	gpio_set_value(FEC_RESET_B, 1);
 }
 
+static const struct imxi2c_platform_data i2c_data __initconst = {
+	.bitrate = 100000,
+};
+
 /*
  * Board specific initialization.
  */
@@ -196,6 +200,9 @@
 	imx50_add_imx_uart(1, &uart_pdata);
 	mx50_rdp_fec_reset();
 	imx50_add_fec(&fec_data);
+	imx50_add_imx_i2c(0, &i2c_data);
+	imx50_add_imx_i2c(1, &i2c_data);
+	imx50_add_imx_i2c(2, &i2c_data);
 }
 
 static void __init mx50_rdp_timer_init(void)