SDP-173

21481	Update to P4Python/SSL build. New behavior: * Always build using openssl version found in PATH. * If no SSL found on PATH, bail. * A '-no_ssl' flag allows building non-SSL version if openssl is not available, though it is ignored if openssl is available. * The OPENSSLDIR is extracted from output of: openssl version -a Bypassing pre-commit review for this.
21480	Update to P4Python/SSL build. New behavior: * Always build using openssl version found in PATH. * If no SSL found on PATH, bail. * A '-no_ssl' flag allows building non-SSL version if openssl is not available, though it is ignored if openssl is available. * The OPENSSLDIR is extracted from output of: openssl version -a Bypassing pre-commit review for this. #review-21481