mei: add per device configuration

Add mei_cfg structure that holds per device configuration
data and hooks, as the first step we add firmware
status register offsets

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/misc/mei/hw-me.c
Simple merge

diff --cc drivers/misc/mei/hw-me.h
Simple merge

diff --cc drivers/misc/mei/hw-txe.c
Simple merge

diff --cc drivers/misc/mei/hw-txe.h
Simple merge

diff --cc drivers/misc/mei/init.c
Simple merge

diff --cc drivers/misc/mei/mei_dev.h
Simple merge

diff --cc drivers/misc/mei/pci-me.c
Simple merge

diff --cc drivers/misc/mei/pci-txe.c
Simple merge