ARM: dts: msm: Enable camera flash on SDM450 with Nebula

Add required dtsi nodes to enable camera flash on
SDM450 platform with PMI632.

Change-Id: I07244f5103481babc0af8b45ee683286120a5c4e
Signed-off-by: Vijay kumar Tumati <vtumati@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/msm8953-camera-sensor-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8953-camera-sensor-mtp.dtsi
index c6b9ff0..a7688f0 100644
--- a/arch/arm64/boot/dts/qcom/msm8953-camera-sensor-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953-camera-sensor-mtp.dtsi
@@ -197,6 +197,7 @@
 		qcom,csiphy-sd-index = <0>;
 		qcom,csid-sd-index = <0>;
 		qcom,mount-angle = <270>;
+		qcom,led-flash-src = <&led_flash0>;
 		qcom,eeprom-src = <&eeprom0>;
 		qcom,actuator-src = <&actuator0>;
 		cam_vio-supply = <&pm8953_l6>;