pmdomain: arm: scmi_pm_domain: remove code clutter

pmdomain: arm: scmi_pm_domain: remove code clutter

There is no need to introduce the boolean power_on to select the constant
value for state. Simply pass the value for state as argument. Just remove
this code clutter.

No functional change.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250606090802.597504-1-lukas.bulwahn@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>