gpio: stp-xway: Use the of_property_read_u32 helper
gpio: stp-xway: Use the of_property_read_u32 helper

This removes some redundant code but does not have any functional impact.

Signed-off-by: Martin Blumenstingl <d6551fe26e010d03a5698ebfdda3aed52f4942a2@googlemail.com>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs