[OE-core] [PATCH 20/25] ltp: update to 20190930

[Ross Burton]

http://errors.yoctoproject.org/Errors/Details/299060/:

TOPDIR/tmp/work/core2-64-poky-linux-musl/ltp/20190930-r0/recipe-sysroot-native/usr/bin/x86_64-poky-linux-musl/../../libexec/x86_64-poky-linux-musl/gcc/x86_64-poky-linux-musl/9.2.0/ld: 
/tmp/ccGG6bI5.o: in function `main':
/usr/src/debug/ltp/20190930-r0/git/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_getprioceiling/../../../conformance/interfaces/pthread_mutexattr_getprioceiling/1-2.c:57: 
undefined reference to `pthread_mutexattr_getprioceiling'
TOPDIR/tmp/work/core2-64-poky-linux-musl/ltp/20190930-r0/recipe-sysroot-native/usr/bin/x86_64-poky-linux-musl/../../libexec/x86_64-poky-linux-musl/gcc/x86_64-poky-linux-musl/9.2.0/ld: 
/usr/src/debug/ltp/20190930-r0/git/testcases/open_posix_testsuite/conformance/interfaces/pthread_mutexattr_getprioceiling/../../../conformance/interfaces/pthread_mutexattr_getprioceiling/1-2.c:51: 
undefined reference to `pthread_mutexattr_setprioceiling'
collect2: error: ld returned 1 exit status

Ross