ACPI: power: Turn off unused power resources unconditionally

ACPI: power: Turn off unused power resources unconditionally

According to the ACPI specification (section 7.2.2 in ACPI 6.4), the
OS may evaluate the _OFF method of a power resource that is "off"
already [1], and in particular that can be done in the case of unused
power resources.

Accordingly, modify acpi_turn_off_unused_power_resources() to
evaluate the _OFF method for each of the unused power resources
unconditionally which may help to work around BIOS issues where the
return value of _STA for a power resource does not reflect the
actual state of the power resource [2].

Link: https://uefi.org/specs/ACPI/6.4/07_Power_and_Performance_Mgmt/declaring-a-power-resource-object.html#off
Link: https://lore.kernel.org/lkml/[email protected]/
Tested-by: Wendy Wang <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>