Add madc node to twl4030 so DT boards can use it.

Signed-off-by: Marek Belisko <marek@goldelico.com>
---
 arch/arm/boot/dts/twl4030.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/twl4030.dtsi b/arch/arm/boot/dts/twl4030.dtsi
index 86cfc7d..36ae916 100644
--- a/arch/arm/boot/dts/twl4030.dtsi
+++ b/arch/arm/boot/dts/twl4030.dtsi
@@ -152,4 +152,10 @@
 		keypad,num-rows = <8>;
 		keypad,num-columns = <8>;
 	};
+
+	twl_madc: madc {
+		compatible = "ti,twl4030-madc";
+		interrupts = <3>;
+		#io-channel-cells = <1>;
+	};
 };
-- 
1.8.3.2