buildroot

icu: legal-info: refer to the real license file

License.html now just contains the string:

The ICU license is now in plain text format, see <a href="./LICENSE">LICENSE</a>.
Update links and software appropriately.

So refer directly to that file instead.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>