arm/dt: msm8974: Enable auto focus for S5K3L1YX sensor

Enable auto focus functionality for S5K3L1YX sensor by selecting
respective actuator phandle in sensor device.

Change-Id: I56a071058ee8ad09c102f333c0bfab75375a659a
Signed-off-by: Sreesudhan Ramakrish Ramkumar <srramku@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974-camera-sensor.dtsi b/arch/arm/boot/dts/msm8974-camera-sensor.dtsi
index 948cdf5..b462ae0 100644
--- a/arch/arm/boot/dts/msm8974-camera-sensor.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera-sensor.dtsi
@@ -20,6 +20,7 @@
 		qcom,csiphy-sd-index = <0>;
 		qcom,csid-sd-index = <0>;
 		qcom,flash-src-index = <&led_flash0>;
+		qcom,actuator-src = <&actuator0>;
 		qcom,mount-angle = <90>;
 		qcom,sensor-name = "s5k3l1yx";
 		cam_vdig-supply = <&pm8941_l3>;