This patch ist not required, as it only has an effect in case the GPIO
descriptors supplied to num-cs are valid.
As this is not the case for ath79, this patch can safely be omitted. The
issue it tried to fix is actually fixed with
0054-spi-sync-up-initial-chipselect-state.
Signed-off-by: David Bauer <mail@david-bauer.net>