ACPI: acpi_bind_one()/acpi_unbind_one() whitespace cleanups

Clean up some inconsistent use of whitespace in acpi_bind_one() and
acpi_unbind_one().

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>