scripts/kallsyms: rename build_initial_tok_table()

Except for the function build_initial_tok_table(), no token abbreviation
is used elsewhere.

$ cat scripts/kallsyms.c | grep tok | wc -l
33
$ cat scripts/kallsyms.c | grep token | wc -l
31

Here, it would be clearer to use the full name.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

scripts/kallsyms.c

@@ -573,7 +573,7 @@ static void forget_symbol(const unsigned char *symbol, int len)
 }
 
 /* do the initial token count */
-static void build_initial_tok_table(void)
+static void build_initial_token_table(void)
 {
 	unsigned int i;
 
@@ -698,7 +698,7 @@ static void insert_real_symbols_in_table(void)
 
 static void optimize_token_table(void)
 {
-	build_initial_tok_table();
+	build_initial_token_table();
 
 	insert_real_symbols_in_table();