Auto-sync with upstream branch master
    
    Upstream commit: ca602c1536ce2777f95c07525f3c42d78812e665
    
    - Adjust glibc-rh741105.patch
    - Add TCP_TX_DELAY from Linux 5.3 to netinet/tcp.h
    - [powerpc] fenv_private.h clean up
    - [powerpc] libc_feupdateenv_test: optimize FPSCR access
    - [powerpc] __fesetround_inline optimizations
    - [powerpc] Rename fegetenv_status to fegetenv_control
    - [powerpc] libc_feholdsetround_noex_ppc_ctx: optimize FPSCR write
    - [powerpc] Rename fesetenv_mode to fesetenv_control
    - Add helper script for glibc debugging
    - Update bits/mman.h constants and tst-mman-consts.py for Linux 5.3.
    - y2038: Provide conversion helpers for struct __timespec64
    - Use binutils 2.33 branch in build-many-glibcs.py.
    - Sync "language", "lang_name", "territory", "country_name" with CLDR/langtable
    - Split up endian.h to minimize exposure of BYTE_ORDER.
    - time: Add padding for the timespec if required
    - Enable passing arguments to the inferior in debugglibc.sh
    - [powerpc] No need to enter "Ignore Exceptions Mode"
    - Y2038: Include proper header to provide support for struct timeval on HURD
    - Disable warnings in string/tester.c at top level.
    - string/endian.h: Restore the __USE_MISC conditionals
    - Disable -Wmaybe-uninitialized for total_deadline in sunrpc/clnt_udp.c.
    - ChangeLog update from my last commit
    - nptl: Move pthread_attr_setinheritsched implementation into libc.
    - elf: Never use the file ID of the main executable [BZ #24900]
    - elf: Assign TLS modid later during dlopen [BZ #24930]
    - nptl: Move pthread_attr_getschedparam implementation into libc
    - riscv: Remove support for variable page sizes
    - nptl: Move pthread_attr_setschedparam implementation into libc