ARM: tegra: p2371-2180: add I2C nodes to DT

This adds to the DT the I2C controllers that connect to the board ID EEPROM,
etc. With this change, you can now probe all I2C devices on a TX1 board.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/dts/tegra210-p2371-2180.dts b/arch/arm/dts/tegra210-p2371-2180.dts
index c2f497c..649c163 100644
--- a/arch/arm/dts/tegra210-p2371-2180.dts
+++ b/arch/arm/dts/tegra210-p2371-2180.dts
@@ -12,6 +12,8 @@
 
 	aliases {
 		i2c0 = "/i2c@7000d000";
+		i2c2 = "/i2c@7000c400";
+		i2c3 = "/i2c@7000c500";
 		mmc0 = "/sdhci@700b0600";
 		mmc1 = "/sdhci@700b0000";
 		usb0 = "/usb@7d000000";
@@ -85,6 +87,16 @@
 		non-removable;
 	};
 
+	i2c@7000c400 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
+	i2c@7000c500 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
 	i2c@7000d000 {
 		status = "okay";
 		clock-frequency = <400000>;