eeepc-laptop: convert acpi_evaluate_object() to acpi_execute_simple_method()

eeepc-laptop: convert acpi_evaluate_object() to acpi_execute_simple_method()

acpi_execute_simple_method() is a new ACPI API introduced to invoke
an ACPI control method that has single integer parameter and no return value.

Convert acpi_evaluate_object() to acpi_execute_simple_method()
in drivers/platform/x86/eeepc-laptop.c

Signed-off-by: Zhang Rui <[email protected]>
CC: Matthew Garrett <[email protected]>
CC: Corentin Chary <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>