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* squashed: revert recent armv6 additions
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* Clean up some ARMv4/ARMv5 cruft.
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* Clean up the pthread-only atomic stuff a little.
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* ARM: Change dmb domain for bionic_atomic_barrier()
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* Remove harmful attempts to be helpful in pthread_mutex functions.
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* libm: sync with upstream freebsd
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* libm: add fmal long double stub
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* Make use of new memcpy, tweak settings
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* libc: support __errno_location
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* libc stdlib: implement C99 _Exit and C11 quick_exit API
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* [ARM] libc: optimized strnlen, strncat, strncmp, and strlcat
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* [ARM] libc: define return and conditional return macros
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* libc: counting, rounding, and min/max macros
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* Re-export libgcc's __aeabi_uidivmod and __popcount_tab
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* Properly detect timeout in pthread_mutex_lock_timeout_np_impl
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* Allocate additional space on stack for indirect syscall
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* Replace Cortex A15 strlen implementation with cortex-strings
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* libc: krait: support KINGFISHER optimized memcpy