spi: imx: Update DT binding documentation

Mark "fsl,spi-num-chipselects" property as obsolete.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alexander Shiyan 2016-06-08 20:02:09 +03:00 • committed by Mark Brown
commit 956fff7189