Move hexdump32() to lib/hexdump.

Needs printk and is not a console core function.

Change-Id: Id90a363eca133af4469663c1e8b504baa70471e0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5155
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/include/lib.h

@@ -60,5 +60,6 @@ void post_cache_as_ram(void);
 
 /* Defined in src/lib/hexdump.c */
 void hexdump(const void *memory, size_t length);
+void hexdump32(char LEVEL, const void *d, int len);
 
 #endif /* __LIB_H__ */