Add --fips-key configuration parameter to fipsinstall application.

Add --fips-key configuration parameter to fipsinstall application.

Change default FIPS HMAC KEY from all-zero's
Use default FIPSKEY if not given on command line.
Make all -macopt in fipsinstall optional
Make all tests, except fipsinstall, use the default -macopt and
-mac_name flags.
Define and use FIPSDIR variable on VMS/MMS.
Also use SRCDIR/BLDDIR in SRCTOP/BLDTOP.

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12235)