Adds documentation of support of brainpoolP256r1tls13, brainpoolP384r…

…1tls13, brainpoolP512r1tls13 to SSL_CONF_cmd.pod

doc/man3/SSL_CONF_cmd.pod

@@ -158,9 +158,11 @@ where applicable (e.g. B<X25519>, B<ffdhe2048>) or an OpenSSL OID name
 (e.g. B<prime256v1>). Group names are case sensitive. The list should be
 in order of preference with the most preferred group first.
 
-Currently supported groups for B<TLSv1.3> and B<DTLSv1.3> are B<P-256>,
-B<P-384>, B<P-521>, B<X25519>, B<X448>, B<ffdhe2048>, B<ffdhe3072>,
-B<ffdhe4096>, B<ffdhe6144>, B<ffdhe8192>.
+Currently supported groups for B<TLSv1.3> and B<DTLSv1.3> are
+B<P-256>, B<P-384>, B<P-521>,
+B<X25519>, B<X448>,
+B<ffdhe2048>, B<ffdhe3072>, B<ffdhe4096>, B<ffdhe6144>, B<ffdhe8192>,
+B<brainpoolP256r1tls13>, B<brainpoolP384r1tls13>, B<brainpoolP512r1tls13>.
 
 =item B<-curves> I<groups>
 
@@ -412,9 +414,11 @@ applicable (e.g. B<X25519>, B<ffdhe2048>) or an OpenSSL OID name
 (e.g. B<prime256v1>). Group names are case sensitive. The list should be in
 order of preference with the most preferred group first.
 
-Currently supported groups for B<TLSv1.3> and B<DTLSv1.3> are B<P-256>,
-B<P-384>, B<P-521>, B<X25519>, B<X448>, B<ffdhe2048>, B<ffdhe3072>,
-B<ffdhe4096>, B<ffdhe6144>, B<ffdhe8192>.
+Currently supported groups for B<TLSv1.3> and B<DTLSv1.3> are
+B<P-256>, B<P-384>, B<P-521>,
+B<X25519>, B<X448>,
+B<ffdhe2048>, B<ffdhe3072>, B<ffdhe4096>, B<ffdhe6144>, B<ffdhe8192>,
+B<brainpoolP256r1tls13>, B<brainpoolP384r1tls13>, B<brainpoolP512r1tls13>.
 
 =item B<Curves>