musl: Update to master
Brings following changes, supports linux 5.8 syscalls [1]
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a5aff197 avoid set*id/setrlimit misbehavior and hang in vforked/cloned child
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55fb9a17 use new SYS_faccessat2 syscall to implement faccessat with flags
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f035c7b1 netinet/if_ether.h: add ETH_P_MRP from linux v5.8
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6b1741aa elf.h: add .note.gnu.property related definitions
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9b7ed970 bits/syscall.h: add __NR_faccessat2 from linux v5.8
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616a8bf6 netinet/tcp.h: update to linux v5.7
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a6c302be sys/mman.h: add MREMAP_DONTUNMAP from linux v5.7
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8adf42f7 sys/fanotify.h: update to linux v5.7
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94ab68c2 aarch64: add new HWCAP2_ macros from linux v5.6
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0296baff aarch64: add HWCAP2_ macros from linux v5.3
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43b640c2 sched.h: add CLONE_NEWTIME from linux v5.6
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3da18e69 sys/random.h: add GRND_INSECURE from linux v5.6
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8f4aa78a sys/prctl.h: add PR_{SET,GET}_IO_FLUSHER from linux v5.6
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1ab341e8 netinet/udp.h: add TCP_ENCAP_ESPINTCP from linux v5.6
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c6321616 netinet/tcp.h: update for linux v5.6
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8fca0ea4 netinet/in.h: add IPPROTO_ macros from linux v5.6
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d9900903 add pidfd_getfd and openat2 syscall numbers from linux v5.6
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d4f29814 netinet/tcp.h: update tcp_info for linux v5.5
[1] https://git.musl-libc.org/cgit/musl/log/?qt=range&q=
ffac0c229986725c0d0f3c806bafa7e3ca409f3b..
a5aff1972c9e3981566414b09a28e331ccd2be5d
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
