gettext.m4 macro does not detect musl triplets and falls back to
${libdir}/locale
It ends up with lot of packging warning
"files installed but not packaged"
(From OE-Core rev: 6fae6a92cf3d9810dc68438f3b20913453812437)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>