arm64: dts: qcom: sm8450: Add TCSR halt register space

Add TCSR register space and refer it from scm node, so that
it can be used by SCM driver.
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1673513697-30173-2-git-send-email-quic_mojha@quicinc.com

arch/arm64/boot/dts/qcom/sm8450.dtsi

@@ -279,6 +279,7 @@ CLUSTER_SLEEP_1: cluster-sleep-1 {
 	firmware {
 		scm: scm {
 			compatible = "qcom,scm-sm8450", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x13000>;
 			interconnects = <&aggre2_noc MASTER_CRYPTO 0 &mc_virt SLAVE_EBI1 0>;
 			#reset-cells = <1>;
 		};
@@ -2003,6 +2004,11 @@ tcsr_mutex: hwlock@1f40000 {
 			#hwlock-cells = <1>;
 		};
 
+		tcsr: syscon@1fc0000 {
+			compatible = "qcom,sm8450-tcsr", "syscon";
+			reg = <0x0 0x1fc0000 0x0 0x30000>;
+		};
+
 		usb_1_hsphy: phy@88e3000 {
 			compatible = "qcom,sm8450-usb-hs-phy",
 				     "qcom,usb-snps-hs-7nm-phy";