Add samsung specific changes

include/linux/qcom-cpufreq-hw.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020-2021, 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef _LINUX_QCOM_CPUFREQ_HW_H
+#define _LINUX_QCOM_CPUFREQ_HW_H
+
+/*
+ * We can take this out if we could move the OSM cycle
+ * counter to WALT scheduler?
+ */
+#if IS_ENABLED(CONFIG_ARM_QCOM_CPUFREQ_HW)
+extern u64 qcom_cpufreq_get_cpu_cycle_counter(int cpu);
+#else
+static inline u64 qcom_cpufreq_get_cpu_cycle_counter(int cpu)
+{
+	return U64_MAX;
+}
+#endif /*CONFIG_ARM_QCOM_CPUFREQ_HW*/
+#endif /* _LINUX_QCOM_CPUFREQ_HW_H */