ARM: dts: Add regulator-haptic node for exynos3250-monk

This patch adds regulator-haptic device node controlled by regulator.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos3250-monk.dts

@@ -108,6 +108,13 @@ charger {
 			};
 		};
 	};
+
+	haptics {
+		compatible = "regulator-haptic";
+		haptic-supply = <&motor_reg>;
+		min-microvolt = <1100000>;
+		max-microvolt = <2700000>;
+	};
 };
 
 &adc {