cxgb4/ch_ktls: Clear resources when pf4 device is removed

This patch maintain the list of active tids and clear all the active
connection resources when DETACH notification comes.

Fixes: a8c16e8e ("crypto/chcr: move nic TLS functionality to drivers/net")
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>