staging: unisys: get rid of uiscmpxchg64

Remove the uiscmpxchg64 macro from uisqueue.h and uisqueue.c.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/unisys/include/uisqueue.h
Simple merge

diff --cc drivers/staging/unisys/uislib/uisqueue.c
Simple merge