ARM: dts: msm: add /vendor node in SDM670

Add /vendor node. This node can be used to add vendor specific platform
devices.

Change-Id: I3ef0f8a3ff403dd7b34de14e8ed81193218eb1f4
Signed-off-by: Imran Khan <kimran@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm670.dtsi b/arch/arm64/boot/dts/qcom/sdm670.dtsi
index 0dec428..3853452 100644
--- a/arch/arm64/boot/dts/qcom/sdm670.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670.dtsi
@@ -295,6 +295,13 @@
 
 	soc: soc { };
 
+	vendor: vendor {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0 0 0xffffffff>;
+		compatible = "simple-bus";
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;