Since it's no big deal, we can disable this. Making it use rdseed via
inline assembly or detect when the compiler is fixed is Someone Else's
Problem.
Fixes: QTBUG-104697
Change-Id: I89c4eb48af38408daa7cfffd16feabb5408e2fbf
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>