libc/eglibc: does no longer support LinuxThreads

LinuxThreads are dead. Buried 6 feet under. Long forgotten.
Time for mourning has to come to an end.

But fear not, younster, for we have a great successor as NPTL!
Times for rejoicing have come, now!

LinuxThreads are dead. Long live NPTL!

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

# Compute sparc-specific values

CT_DoArchTupleValues() {

    # That's the only thing to override

    if [ "${CT_ARCH_64}" = "y" ]; then

        CT_TARGET_ARCH="sparc64${CT_ARCH_SUFFIX}"

    fi

}