pmdomain: core: Convert to device_awake_path()

As device_wakeup_path() is intended to be removed, let's switch to use the
device_awake_path() instead. No functional change.

Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250425113942.134458-1-ulf.hansson@linaro.org