Update CHANGES for X448/Ed448 support in libssl

Reviewed-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NKurt Roeckx <kurt@roeckx.be>
(Merged from https://github.com/openssl/openssl/pull/5470)

CHANGES

@@ -9,8 +9,8 @@
 
  Changes between 1.1.0g and 1.1.1 [xx XXX xxxx]
 
-  *) Added support for X448 and Ed448. Currently this is only supported in
-     libcrypto (not libssl). Heavily based on original work by Mike Hamburg.
+  *) Added support for X448 and Ed448. Heavily based on original work by
+     Mike Hamburg.
      [Matt Caswell]
 
   *) Extend OSSL_STORE with capabilities to search and to narrow the set of