openssl: update to 1.1.1

openssl: update to 1.1.1

At the moment 1.1.1 is in pre-release stage, however the final release
should be available within a few weeks. The major selling point is that
it supports the new TLS 1.3 specification. It will also be the new long
term support version. More information:

https://www.openssl.org/policies/releasestrat.html

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>