[config] add a mapping for ipv6 local address

This will enable us to use an ip6 address on the remote side in
serve-remote which should aid commands that assume they need to wrap
the address in square brackets.

Change-Id: I7e02317a2834e466e620c2b623333a3798a2320e
diff --git a/fuchsia/developer-keys/generate_ssh_config.sh b/fuchsia/developer-keys/generate_ssh_config.sh
index f9674a7..b06b4ab 100755
--- a/fuchsia/developer-keys/generate_ssh_config.sh
+++ b/fuchsia/developer-keys/generate_ssh_config.sh
@@ -3,6 +3,9 @@
 Host 127.0.0.1
   Port 8022
 
+Host ::1
+  Port 8022
+
 Host *
   CheckHostIP no
   StrictHostKeyChecking no