CVE-2026-72154 openrisc: Fix jump_label smp syncing

In the Linux kernel, the following vulnerability has been resolved: openrisc: Fix jumplabel smp syncing The original commit 8c30b0018f9d "openrisc: Add jump label support" copies from arm64 and does not properly consider how icache invalidation on remote cores works in OpenRISC. On OpenRISC remot...