cpu: Free queued CPU work

Running qemu-system-aarch64 -M virt -nographic and terminating it will
result in a LeakSanitizer error due to remaining queued CPU work so
free it.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Link: https://lore.kernel.org/r/20240714-cpu-v1-1-19c2f8de2055@daynix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
3 files changed