libc/glibc: add patch to fix build for PowerPC64.

For a PowerPC64 build, avoid erroneous inline optimization of initfini.s

Signed-off-by: "Frederic R. ROUSSEL" <fr.frasc@gmail.com>
Message-Id: <7585f649ad60b23c4a31.1360185227@x58>
Patchwork-Id: 218755

# Compute s390-specific values

CT_DoArchTupleValues() {

    # That's the only thing to override

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

        CT_TARGET_ARCH="s390x${CT_ARCH_SUFFIX}"

    fi

}