atomics/treewide: Remove redundant atomic_inc_not_zero() definitions
When atomic_inc_not_zero(v) isn't defined, <linux/atomic.h> will define it as falling back to atomic_add_unless((v), 1, 0), so there's no need for arch code to do so. There should be no functional change as a result of this patch. Signed-off-by: NMark Rutland <mark.rutland@arm.com> Reviewed-by: NWill Deacon <will.deacon@arm.com> Acked-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Acked-by: NPalmer Dabbelt <palmer@sifive.com> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/lkml/20180621121321.4761-3-mark.rutland@arm.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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