openSUSE 15.6 doesn't have explicit openssl-3,
same was earlier seen with SLES 15.6 as well.
Therefore System's OpenSSL is read from openssl.
Pick-to: 6.8
Change-Id: I38d81b5484732e225036530e5326433ab90ef92b
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>
(cherry picked from commit 882e6e61af)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
ca26b90f26