utils: Remove tinyfdt.c

tinyfdt.c was originally added to provide a minimal implementation of
fdt parsing. However, we have already included libfdt in OpenSBI for
more complicated operations.

Remove tinfdt and replace its functiolity using libfdt.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Acked-by: Anup Patel <anup.patel@wdc.com>

include/sbi_utils/tinyfdt.h

@@ -1,67 +0,0 @@
-/*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2019 Western Digital Corporation or its affiliates.
- *
- * Authors:
- *   Anup Patel <anup.patel@wdc.com>
- */
-
-#ifndef __FDT_H__
-#define __FDT_H__
-
-#include <sbi/sbi_types.h>
-
-struct fdt_node {
-	char *data;
-	const struct fdt_node *parent;
-	const char *name;
-	int depth;
-	int address_cells;
-	int size_cells;
-};
-
-struct fdt_prop {
-	const struct fdt_node *node;
-	const char *name;
-	void *value;
-	u32 len;
-};
-
-/* Reverse byte-order of 32bit number */
-u32 fdt_rev32(u32 v);
-
-/* Length of a string */
-ulong fdt_strlen(const char *str);
-
-/* Compate two strings */
-int fdt_strcmp(const char *a, const char *b);
-
-/* Find index of matching string from a list of strings */
-int fdt_prop_string_index(const struct fdt_prop *prop, const char *str);
-
-/* Iterate over each property of matching node */
-int fdt_match_node_prop(void *fdt,
-			int (*match)(const struct fdt_node *node,
-				     const struct fdt_prop *prop, void *priv),
-			void *match_priv,
-			void (*fn)(const struct fdt_node *node,
-				   const struct fdt_prop *prop, void *priv),
-			void *fn_priv);
-
-/* Iterate over each property of compatible node */
-int fdt_compat_node_prop(void *fdt, const char *compat,
-			 void (*fn)(const struct fdt_node *node,
-				    const struct fdt_prop *prop, void *priv),
-			 void *fn_priv);
-
-/* Iterate over each node and property */
-int fdt_walk(void *fdt,
-	     void (*fn)(const struct fdt_node *node,
-			const struct fdt_prop *prop, void *priv),
-	     void *fn_priv);
-
-/* Get size of FDT */
-u32 fdt_size(void *fdt);
-
-#endif