We need to specify UTF-8 in the environment to avoid an error
such as:
UnicodeEncodeError: 'ascii' codec can't encode character '\xe4'
(From OE-Core rev: d7f1fe6c8419b8c59e601c56245373d094cae298)
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>