These two properties were not documented but used in the spi
dts. Add the related documentation.
Suggested-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NAndi Shyti <andi.shyti@samsung.com>
Reviewed-by: NMichael Turquette <mturquette@baylibre.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NMark Brown <broonie@kernel.org>