ARM: dts: msm: Add devicetree changes for opensource project

This chane will migragate all dts and dtsi file to
opensourse project

CRs-Fixed: 3583121
Change-Id: I837ee52ce68ad23fd5bff8ed69684824c9bfe3f4
Signed-off-by: Soumen Ghosh <quic_soumeng@quicinc.com>

bindings/msm-cam-custom.txt

@@ -0,0 +1,31 @@
+* Qualcomm Technologies, Inc. MSM Camera Custom
+
+The MSM camera Custom driver provides the definitions for enabling
+the Camera custom hadware. It provides the functions for the Client to
+control the custom hardware.
+
+=======================
+Required Node Structure
+=======================
+The camera Custom device is described in one level of device node.
+
+==================================
+First Level Node - CAM CUSTOM device
+==================================
+- compatible
+  Usage: required
+  Value type: <string>
+  Definition: Should be "qcom,cam-custom".
+
+- arch-compat
+  Usage: required
+  Value type: <string>
+  Definition: Should be "custom".
+
+Example:
+
+	qcom,cam-custom {
+		compatible = "qcom,cam-custom";
+		arch-compat = "custom";
+		status = "ok";
+	};