UPSTREAM: kernel: Change ASSIGN_ONCE(val, x) to WRITE_ONCE(x, val)

Feedback has shown that WRITE_ONCE(x, val) is easier to use than
ASSIGN_ONCE(val,x).
There are no in-tree users yet, so lets change it for 3.19.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

Issue: SEC-1289
Bug: 28705983
(cherry picked from commit 43239cbe79fc369f5d2160bd7f69e28b5c50a58c)
Change-Id: I10a969447a3aefa87009c244f787da78338af165
(cherry picked from commit 6a6404043f13898b3759e9ca67373aacca67686d)
1 file changed