ACPI / gpio: do not fall back to parsing _CRS when we get a deferral

ACPI / gpio: do not fall back to parsing _CRS when we get a deferral

BugLink: http://bugs.launchpad.net/bugs/1682130
commit 693bdaa164b40b7aa6018b98af6f7e40dbd52457 upstream.

If, while locating GPIOs by name, we get probe deferral, we should
immediately report it to caller rather than trying to fall back to parsing
unnamed GPIOs from _CRS block.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-and-Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>