ARM: dts: qcom: ipq4018-ap120c-ac: Add SoC compatible

Add qcom,ipq4018 compatible fallback for the SoC.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221013155418.47577-3-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi

@@ -6,7 +6,7 @@
 
 / {
 	model = "ALFA Network AP120C-AC";
-	compatible = "alfa-network,ap120c-ac";
+	compatible = "alfa-network,ap120c-ac", "qcom,ipq4018";
 
 	keys {
 		compatible = "gpio-keys";