ARM: tegra: colibri_t30: annotate uarts and move compatible to board

Annotate UARTs and move the serial UART "nvidia,tegra30-hsuart"
compatible definitions from the carrier board to the module level device
trees. One could still override this in a custom carrier board device
tree if required.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30-colibri-eval-v3.dts

@@ -33,17 +33,18 @@ hdmi@54280000 {
 		};
 	};
 
+	/* Colibri UART-A */
 	serial@70006000 {
 		status = "okay";
 	};
 
+	/* Colibri UART-C */
 	serial@70006040 {
-		compatible = "nvidia,tegra30-hsuart";
 		status = "okay";
 	};
 
+	/* Colibri UART-B */
 	serial@70006300 {
-		compatible = "nvidia,tegra30-hsuart";
 		status = "okay";
 	};
 

arch/arm/boot/dts/tegra30-colibri.dtsi

@@ -213,6 +213,14 @@ pv0 {
 		};
 	};
 
+	serial@70006040 {
+		compatible = "nvidia,tegra30-hsuart";
+	};
+
+	serial@70006300 {
+		compatible = "nvidia,tegra30-hsuart";
+	};
+
 	hdmiddc: i2c@7000c700 {
 		clock-frequency = <10000>;
 	};