ARM: dts: omap5-uevm: Add LED support for uEVM blue LED

Add support for blue LED 1 off of GPIO 153.
Make the LED a heartbeat LED
Configure the MUX for GPIO output.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
[r.sricharan@ti.com: Replaced constants with preprocessor macros]
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap5-uevm.dts

@@ -59,6 +59,15 @@
 		reset-supply = <&hsusb3_reset>;
 	};
 
+	leds {
+		compatible = "gpio-leds";
+		led@1 {
+			label = "omap5:blue:usr1";
+			gpios = <&gpio5 25 GPIO_ACTIVE_HIGH>; /* gpio5_153 D1 LED */
+			linux,default-trigger = "heartbeat";
+			default-state = "off";
+		};
+	};
 };
 
 &omap5_pmx_core {
@@ -70,6 +79,7 @@
 			&mcbsp1_pins
 			&mcbsp2_pins
 			&usbhost_pins
+			&led_gpio_pins
 	>;
 
 	twl6040_pins: pinmux_twl6040_pins {
@@ -168,6 +178,12 @@
 			0x6e (PIN_OUTPUT | MUX_MODE6) /* gpio3_79 ETH_NRESET */
 		>;
 	};
+
+	led_gpio_pins: pinmux_led_gpio_pins {
+		pinctrl-single,pins = <
+			0x196 (PIN_OUTPUT | MUX_MODE6) /* uart3_cts_rctx.gpio5_153 */
+		>;
+	};
 };
 
 &omap5_pmx_wkup {