oe.utils.getstatusoutput() is a wrapper for subprocess.getstatusoutput() which
uses Universal Newlines, so the output is a str() not bytes().
(From OE-Core rev: ce24d4c3632b71939ad198268a900ee823a89b27)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>