spi: spi-ath79: add binding documentation for the AR7100 SPI controller

Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alban Bedel 2015-04-24 16:19:21 +02:00 • committed by Mark Brown
commit 76426aacab