percpu_rw_semaphore changes to allow calling percpu_free_rwsem in atomic
context cause ABI breakage. Introduce percpu_free_rwsem_atomic wrapper
and change percpu_rwsem_destroy to use it in order to keep
percpu_rw_semaphore struct intact and fix ABI breakage.
Bug: 161210518
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I198a6381fb48059f2aaa2ec38b8c1e5e5e936bb0