If a node contains more than one SPI resource it may be necessary to
use an index to select which one you want to allocate a spi device for.
Signed-off-by: NStefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: NHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-4-sbinding@opensource.cirrus.comSigned-off-by: NMark Brown <broonie@kernel.org>