musl: Update to latest master

musl: Update to latest master

visibility is no more auto but disabled by default
we do not require to disable it explicitly.

* fix build failure for sh4a due to missing colon in asm statement
* trap UB from attempts to join a detached thread
* ppc64: fix setjmp/longjmp handling of TOC pointer
* qsort: add a short comment about the algorithm
* disable global visibility override hack (vis.h) by default
* add _NL_LOCALE_NAME extension to nl_langinfo

(From OE-Core rev: 82c0f16dbdd1a44438e8536a598277efed909b3c)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>