Though the anchor peers are not needed for the default e2e
integration test (but for other test such as private data),
as we may use the default configuration as reference and
copy (sometimes), it is better to set the correct port number
for anchor peer as in core.yaml.

Change-Id: Ie48bec21ebfeef27fc7aba2c50fb6c0691edf848
Signed-off-by: senthil <cendhu@gmail.com>