Replace of_get_named_gpio_flags with of_get_named_gpio because
the latter has less parameters, which improves code readability.
Signed-off-by: NFugang Duan <B38611@freescale.com>
Signed-off-by: NGao Pan <b54642@freescale.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>