powerpc: Fix HAVEHARDLOCKUPDETECTOR_ARCH build configuration
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.191 by commit 706d8600af49f80ef496e16460c2a377ea110f2e, it was introduced in version v4.13 by commit 2104180a53698df5aec35aed5f840a26ade0551d. For more details please see the references link.