ARM: dts: msm: Add initial device trees for Tuna SoC

Add initial device trees to support tuna SoC.

Change-Id: Ibd4e718e540a80203684f680ae33c7781eabdbb2
Signed-off-by: Shivendra Pratap <quic_spratap@quicinc.com>

qcom/tuna-rumi.dtsi

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+&arch_timer {
+	clock-frequency = <500000>;
+};
+
+&memtimer {
+	clock-frequency = <500000>;
+};