ARM: dts: logicpd-torpedo-baseboard: Enable HDQ

The baseboard of the Logic PD Torpedo development kit has a socket
for a rechargable battery.  The battery is monitored by a charger
which can communicate of the the 1-wire HDQ pin.

This patch enables the pinmux for the HDQ pin.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi

@@ -101,6 +101,12 @@ ethernet@gpmc {
 	};
 };
 
+&hdqw1w {
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdq_pins>;
+};
+
+
 &vpll2 {
 	regulator-always-on;
 };
@@ -169,6 +175,12 @@ OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT_PULLUP | MUX_MODE4)	/* mcspi2_cs0.gpio_181 *
 		>;
 	};
 
+	hdq_pins: hdq_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x21c6, PIN_INPUT_PULLUP | MUX_MODE0) /* hdq_sio */
+		>;
+	};
+
 	pwm_pins: pinmux_pwm_pins {
 		pinctrl-single,pins = <
 			OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE3)       /* gpmc_ncs5.gpt_10_pwm_evt */