PCI: revert additional _OSC evaluation

PCI: revert additional _OSC evaluation

Reverts adf411b819adc9fa96e9b3e638c7480d5e71d270.

The commit adf411b819adc9fa96e9b3e638c7480d5e71d270 was based on the
improper assumption that queried result was not updated when _OSC
support field was changed. But, in fact, queried result is updated
whenever _OSC support field was changed through __acpi_query_osc().
As a result, the commit adf411b819adc9fa96e9b3e638c7480d5e71d270 only
introduced unnecessary additional _OSC evaluation...

Tested-by: Andrew Patterson <[email protected]>
Reviewed-by: Andrew Patterson <[email protected]>
Signed-off-by: Kenji Kaneshige <[email protected]>
Signed-off-by: Taku Izumi <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>