arm64: dts: qcom: msm8996: split TCSR halt regs out of mutex

The TCSR halt regs are next to TCSR mutex (in one address block called
TCSR_MUTEX), so before converting the TCSR mutex into device with
address space, we need to split the halt regs to its own syscon device.
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/20220819083209.50844-3-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -359,7 +359,7 @@ opp-2150400000 {
 	firmware {
 		scm {
 			compatible = "qcom,scm-msm8996", "qcom,scm";
-			qcom,dload-mode = <&tcsr 0x13000>;
+			qcom,dload-mode = <&tcsr_2 0x13000>;
 		};
 	};
 
@@ -840,10 +840,15 @@ pnoc: interconnect@5c0000 {
 
 		tcsr_mutex_regs: syscon@740000 {
 			compatible = "syscon";
-			reg = <0x00740000 0x40000>;
+			reg = <0x00740000 0x20000>;
 		};
 
-		tcsr: syscon@7a0000 {
+		tcsr_1: sycon@760000 {
+			compatible = "qcom,tcsr-msm8996", "syscon";
+			reg = <0x00760000 0x20000>;
+		};
+
+		tcsr_2: syscon@7a0000 {
 			compatible = "qcom,tcsr-msm8996", "syscon";
 			reg = <0x007a0000 0x18000>;
 		};
@@ -2413,7 +2418,7 @@ mss_pil: remoteproc@2080000 {
 			qcom,smem-states = <&mpss_smp2p_out 0>;
 			qcom,smem-state-names = "stop";
 
-			qcom,halt-regs = <&tcsr_mutex_regs 0x23000 0x25000 0x24000>;
+			qcom,halt-regs = <&tcsr_1 0x3000 0x5000 0x4000>;
 
 			status = "disabled";