pmdomain: ti_sci: add wakeup constraint to parent devices of wakeup source

pmdomain: ti_sci: add wakeup constraint to parent devices of wakeup source

Set wakeup constraint for any device in a wakeup path. All parent devices
of a wakeup device should not be turned off during suspend. This ensures
the wakeup device is kept on while the system is suspended.

Cc: stable@vger.kernel.org
Fixes: 9d8aa0dd3be4 ("pmdomain: ti_sci: add wakeup constraint management")
Reported-by: Vitor Soares <vitor.soares@toradex.com>
Closes: https://lore.kernel.org/linux-pm/c0fe43a2339c802e9ce5900092cd530a2ba17a6b.camel@gmail.com/
Signed-off-by: Kendall Willis <k-willis@ti.com>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>