This commit fixes an issue where the `libcoap-3-notls.so` is not installed,
in some cases leaving the target's root with no library and just a broken link
from `libcoap-3.so` to `libcoap-3-notls.so`.
Signed-off-by: Leo Soares <leo@hyper.ag>
(cherry picked from commit 80c4d675c2)