UPSTREAM: arc: add support for TIF_NOTIFY_SIGNAL

[ Upstream commit 53855e12 ]

Wire up TIF_NOTIFY_SIGNAL handling for arc.

Cc: linux-snps-arc@lists.infradead.org
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Change-Id: I958240d0f80efee85940de4f5518135267a4f3a1
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 2dbb0354)
Bug: 268174392
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>