ARM: dts: msm: Add initial devicetree for Kera OEMVM

Add initial devicetree files for OEMVM for RUMI platform on Kera SoC.

Change-Id: I92019de68818c03dce6c93bba96902b071bb5785
Signed-off-by: Hrishabh Rajput <quic_hrishabh@quicinc.com>

qcom/kera-oemvm-rumi.dtsi

@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+&arch_timer {
+	clock-frequency = <500000>;
+};