coresight: fix the replicator subtype value

According to the classification, the type of replicator
is link, so the subtype should also be link_subtype.

Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>