dt-bindings: qcom: Add SDM845 bindings

Add a SoC string 'sdm845' for the qualcomm SDM845 SoC
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

Documentation/devicetree/bindings/arm/qcom.txt

@@ -26,6 +26,7 @@ The 'SoC' element must be one of the following strings:
 	msm8996
 	mdm9615
 	ipq8074
+	sdm845
 
 The 'board' element must be one of the following strings: