recipetool: fix encoding-related errors creating python recipes
Yet another instance of us expecting a string back from subprocess when
in Python 3 what you get back is bytes. Just decode the output within
run_command() so we avoid this everywhere.
(From OE-Core rev:
103faae78cdff5280c7b7cdb7ca01e0868d02ec9)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>