poky-tiny: Fix whitespace in variable assignment

(From meta-yocto rev: b5d94e54156ed6c4188035e5925073bfd2a90eb1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-poky/conf/distro/poky-tiny.conf

@@ -56,7 +56,7 @@ ENABLE_WIDEC:class-native = "true"
 
 # Drop native language support. This removes the
 # eglibc->bash->gettext->libc-posix-clang-wchar dependency.
-USE_NLS="no"
+USE_NLS = "no"
 # As we don't have native language support, don't install locales into images
 IMAGE_LINGUAS = ""