Since Python 2.7.9 ssl cert validation is enabled by default
see PEP-0476, this causes verification errors on some https
servers so disable by default.
(Bitbake rev: e177170200ece76b36e3f7d5597651fdef67736f)
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>