staging: mei: fix mei driver namespace

All global functions must start with mei_ to reduce the risk of name colisions

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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

diff --cc drivers/staging/mei/interrupt.c
Simple merge

diff --cc drivers/staging/mei/iorw.c
Simple merge

diff --cc drivers/staging/mei/main.c
Simple merge

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

diff --cc drivers/staging/mei/wd.c
Simple merge