tegra: hwpm: move files to appropriate path

HWPM files are copied from the previous source in linux-nvidia repo
withgit history. Create folders and move files to obtain expected folder
structure.

Bug 3787076

Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>

drivers/tegra/hwpm/os/linux/kmem.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef TEGRA_HWPM_OS_LINUX_KMEM_H
+#define TEGRA_HWPM_OS_LINUX_KMEM_H
+
+#include <linux/types.h>
+
+struct tegra_soc_hwpm;
+
+void *tegra_hwpm_kzalloc_impl(struct tegra_soc_hwpm *hwpm, size_t size);
+void *tegra_hwpm_kcalloc_impl(struct tegra_soc_hwpm *hwpm, u32 num, size_t size);
+
+void tegra_hwpm_kfree_impl(struct tegra_soc_hwpm *hwpm, void *addr);
+
+#endif /* TEGRA_HWPM_OS_LINUX_KMEM_H */