CVE-2022-49717 irqchip/apple-aic: Fix refcount leak in build_fiq_affinity

In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in buildfiqaffinity offindnodebyphandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...