RDMA/cxgb4: Add driver for Chelsio T4 RNIC

Add an RDMA/iWARP driver for Chelsio T4 Ethernet adapters.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --cc drivers/infiniband/Kconfig
Simple merge

diff --cc drivers/infiniband/Makefile
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/Kconfig
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/Makefile
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/cm.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/cq.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/device.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/ev.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/iw_cxgb4.h
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/mem.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/provider.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/qp.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/resource.c
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/t4.h
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
Simple merge

diff --cc drivers/infiniband/hw/cxgb4/user.h
Simple merge