Staging: heci: add TODO file

List some of the remaining issues in the code.

Cc: Anas Nashif <anas.nashif@intel.com>
Cc: Marcin Obara <marcin.obara@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/heci/TODO

+TODO:
+	- fix user/kernel pointer mess in the ioctl handlers as pointed
+	  out by sparse.
+	- resolve the ioctls and see if most of them can just be simple
+	  sysfs files
+	- fix locking issues that sparse points out at the least.