mei: check if the hardware reset succeeded

The hw may have multiple steps for resetting
so we need to check if it has really succeeded.

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/init.c
Simple merge

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