vxge: add support for ethtool firmware flashing

Add the ability in the vxge driver to flash firmware via ethtool.

Updated to include comments from Ben Hutchings.

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/vxge/vxge-config.c
Simple merge

diff --cc drivers/net/vxge/vxge-config.h
Simple merge

diff --cc drivers/net/vxge/vxge-ethtool.c
Simple merge

diff --cc drivers/net/vxge/vxge-main.c
Simple merge

diff --cc drivers/net/vxge/vxge-main.h
Simple merge

diff --cc drivers/net/vxge/vxge-reg.h
Simple merge

diff --cc drivers/net/vxge/vxge-version.h
Simple merge