arm64: dts: qcom: ipq9574: Fix hwlock index for SMEM

SMEM uses lock index 3 of the TCSR Mutex hwlock for allocations
in SMEM region shared by the Host and FW.

Fix the SMEM hwlock index to 3 for IPQ9574.

Cc: stable@vger.kernel.org
Fixes: 46384ac7 ("arm64: dts: qcom: ipq9574: Add SMEM support")
Signed-off-by: Vignesh Viswanathan <quic_viswanat@quicinc.com>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230904172516.479866-5-quic_viswanat@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/ipq9574.dtsi

@@ -195,7 +195,7 @@ tz_region: tz@4a600000 {
 		smem@4aa00000 {
 			compatible = "qcom,smem";
 			reg = <0x0 0x4aa00000 0x0 0x100000>;
-			hwlocks = <&tcsr_mutex 0>;
+			hwlocks = <&tcsr_mutex 3>;
 			no-map;
 		};
 	};