arm64: dts: qcom: sc7180: add missing TCSR syscon compatible

TCSR syscon node should come with dedicated compatible.
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/20220819083209.50844-7-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sc7180.dtsi

@@ -1468,7 +1468,7 @@ tcsr_mutex_regs: syscon@1f40000 {
 		};
 
 		tcsr_regs: syscon@1fc0000 {
-			compatible = "syscon";
+			compatible = "qcom,sc7180-tcsr", "syscon";
 			reg = <0 0x01fc0000 0 0x40000>;
 		};