For clarity and consistency, add a dependency on wget-native for any URIs that
will be fetched using the wget fetcher, and add wget-native to ASSUME_PROVIDED.
(From OE-Core rev: 91583704383aef3d4742630380fd3f1d38c4b00a)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>