yaffs direct: Move yaffs error string function to diferent directory This was in the python directory but is generally handy so move it into the yaffs direct direcotory. Signed-off-by: Charles Manning <cdhmanning@gmail.com>
yaffs removed direct/timothy_tests from git and added a convert error_code_str() function for python and c. Signed-off-by: Timothy Manning <tfhmanning@gmail.com>