arm64: dts: qcom: sm6115: Add RMTFS

Add a node for RMTFS and associate it with MSA and NAV IDs to enable
modem functionality on SM6115.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230406-topic-lenovo_features-v2-2-625d7cb4a944@linaro.org

arch/arm64/boot/dts/qcom/sm6115.dtsi

@@ -8,6 +8,7 @@
 #include <dt-bindings/clock/qcom,sm6115-gpucc.h>
 #include <dt-bindings/clock/qcom,rpmcc.h>
 #include <dt-bindings/dma/qcom-gpi.h>
+#include <dt-bindings/firmware/qcom,scm.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
@@ -290,6 +291,15 @@
 			reg = <0x0 0x60000000 0x0 0x3900000>;
 			no-map;
 		};
+
+		rmtfs_mem: memory@89b01000 {
+			compatible = "qcom,rmtfs-mem";
+			reg = <0x0 0x89b01000 0x0 0x200000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <QCOM_SCM_VMID_MSS_MSA QCOM_SCM_VMID_NAV>;
+		};
 	};
 
 	rpm-glink {