update kernel part for name change

From commit c8f856b0329fbd9b8f80c01e31e6711cd7cff2f2
Author: Eyal Salomon <esalomon@mellanox.com>
Date:   Mon Dec 30 16:49:55 2013 +0200

    Changing functions name:
     xio_session_open => xio_session_create
     xio_session_close => xio_session_destroy
     xio_ctx_open => xio_ctx_create
     xio_ctx_close => xio_ctx_destroy
     xio_ev_loop_init => xio_ev_loop_create

some names are changed, but no completely, this patch update
kernel part.

Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com>