lguest: get rid of lg variable assignments

We can save some lines of code by getting rid of
*lg = cpu... lines of code spread everywhere by now.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --cc drivers/lguest/core.c
Simple merge

diff --cc drivers/lguest/hypercalls.c
Simple merge

diff --cc drivers/lguest/interrupts_and_traps.c
Simple merge

diff --cc drivers/lguest/lg.h
Simple merge

diff --cc drivers/lguest/page_tables.c
Simple merge

diff --cc drivers/lguest/segments.c
Simple merge

diff --cc drivers/lguest/x86/core.c
Simple merge