cc/gcc: add 4.9.0

Signed-off-by: Cody P Schafer <dev@codyps.com>
[yann.morin.1998@free.fr: latest is now a 4.9]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <5bac788539bb272893ed.1399801933@gun>
Patchwork-Id: 347774

# 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

}