staging: lustre: remove lustre_lite.h

Move several definition only used in lustre/llite/ to
lustre/llite/llite_internal.h.
Remove lustre/include/{,linux/}lustre_lite.h and fixup
the missing includes in other headers that this exposes.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2675
Reviewed-on: http://review.whamcloud.com/11501


Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>