Add the SPI_MASTER_GPIO_SS flag for the spi-ath79 driver. Otherwise,
the custom chipselect function is never called. This breaks hardware,
where the three dedicated chipselect lines are used instead of generic
GPIO pins.
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: maurerr <mariusd84@gmail.com>