staging: xillybus: Remove mmiowb() before wait_event_*() calls
staging: xillybus: Remove mmiowb() before wait_event_*() calls

According to Documentation/memory-barriers.txt, a memory barrier is put
in place by wait_event_*()

Signed-off-by: Eli Billauer <87c4bbd722d17aa4d4f8bc0f711e889bbe4b7efc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs