mei: move doc files Documentation/misc-devices/mei

1. move mei.txt, TODO, and the example code under Documentation/misc-devices/mei
2. update the TODO file
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/Makefile

 obj-m := DocBook/ accounting/ auxdisplay/ connector/ \
 	filesystems/ filesystems/configfs/ ia64/ laptops/ networking/ \
-	pcmcia/ spi/ timers/ watchdog/src/
+	pcmcia/ spi/ timers/ watchdog/src/ misc-devices/mei/

Documentation/misc-devices/mei/Makefile

+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := mei-amt-version
+HOSTCFLAGS_mei-amt-version.o += -I$(objtree)/usr/include
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)

drivers/misc/mei/TODO → Documentation/misc-devices/mei/TODO

@@ -2,8 +2,4 @@ TODO:
 	- Cleanup and split the timer function
 Upon Unstaging:
 	- Documentation/ioctl/ioctl-number.txt
-	- move mei.txt under Documentation/mei/
-	- move mei-amt-version.c under Documentation/mei
-	- add hostprogs-y for mei-amt-version.c
-	- drop mei_version.h
 	- Updated MAINTAINERS