staging: lustre: in-place endianness functions

lib-move.c file has a lot of expressions in the form of:
v = le[32|64]_to_cpu(v);
This caused a lot of sparse warnings.
Replaced with:
le[32|64]_to_cpus(&v);

Signed-off-by: Nikola Jelic <nikola.jelic83@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>