enic: Clean ups

1) Update copyright
2) Fix hardware queue descriptor field size CQ_ENET_RQ_DESC_FCOE_SOF_BITS
3) Include rtnetlink.h instead of if_link.h
4) Selectively flush writes to interrupt mask register
5) Use pci_enable_device_mem
6) Remove unused variables and header files
7) Fix size mismatch between memory alloc and free operations of a variable
8) Check for non null arguments to vic_provinfo_alloc

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/enic/cq_desc.h
Simple merge

diff --cc drivers/net/enic/cq_enet_desc.h
Simple merge

diff --cc drivers/net/enic/enic.h
Simple merge

diff --cc drivers/net/enic/enic_main.c
Simple merge

diff --cc drivers/net/enic/enic_res.c
Simple merge

diff --cc drivers/net/enic/enic_res.h
Simple merge

diff --cc drivers/net/enic/rq_enet_desc.h
Simple merge

diff --cc drivers/net/enic/vnic_cq.c
Simple merge

diff --cc drivers/net/enic/vnic_cq.h
Simple merge

diff --cc drivers/net/enic/vnic_dev.c
Simple merge

diff --cc drivers/net/enic/vnic_dev.h
Simple merge

diff --cc drivers/net/enic/vnic_devcmd.h
Simple merge

diff --cc drivers/net/enic/vnic_enet.h
Simple merge

diff --cc drivers/net/enic/vnic_intr.c
Simple merge

diff --cc drivers/net/enic/vnic_intr.h
Simple merge

diff --cc drivers/net/enic/vnic_nic.h
Simple merge

diff --cc drivers/net/enic/vnic_resource.h
Simple merge

diff --cc drivers/net/enic/vnic_rq.c
Simple merge

diff --cc drivers/net/enic/vnic_rq.h
Simple merge

diff --cc drivers/net/enic/vnic_rss.h
Simple merge

diff --cc drivers/net/enic/vnic_stats.h
Simple merge

diff --cc drivers/net/enic/vnic_vic.c
Simple merge

diff --cc drivers/net/enic/vnic_wq.c
Simple merge

diff --cc drivers/net/enic/vnic_wq.h
Simple merge

diff --cc drivers/net/enic/wq_enet_desc.h
Simple merge