The call to bb.mkdirhier() in check_create_long_filename() can fail with an
OSError, explicitly catch this and report something useful to the user.
(From OE-Core rev: b066906477eb0496a2babb3d8e87682a1b7df0de)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>