ARM: dts: qcom: sdx55: add dedicated SDX55 TCSR compatible

syscon should not be used alone as compatible.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230306072618.10770-2-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/qcom-sdx55.dtsi

@@ -518,7 +518,7 @@ tcsr_mutex: hwlock@1f40000 {
 		};
 
 		tcsr: syscon@1fcb000 {
-			compatible = "syscon";
+			compatible = "qcom,sdx55-tcsr", "syscon";
 			reg = <0x01fc0000 0x1000>;
 		};