nptl: fix static linking
nptl: fix static linking

We need dl-tls.c for static libc or we will get missing symbols when
linking thinkgs like openssl static.

Signed-off-by: Natanael Copa <e73df79305d2c30c2a35966f4bca3b7b6f223156@gmail.com>
Signed-off-by: Carmelo Amoroso <532378793705a04edd56deb76ad8c0442834d55d@st.com>

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc