Hibernation: Introduce exportable suspend ioctls header (rev. 2)

Move the definitions of hibernation ioctls to a separate header file in
include/linux, which can be exported to the user space.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Len Brown <len.brown@intel.com>

include/linux/Kbuild

@@ -143,6 +143,7 @@ header-y += snmp.h
 header-y += sockios.h
 header-y += som.h
 header-y += sound.h
+header-y += suspend_ioctls.h
 header-y += taskstats.h
 header-y += telephony.h
 header-y += termios.h