Add fips provider code for handling self test data

Add fips provider code for handling self test data

More PR's related to self test will be derived from this PR.

Note: the code removed in core_get_params() was causing a freeze since the
fips module was being loaded from a config file, which then called core_get_params()
which then tried to init the config fle again...

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9596)