drivers: spi: add support for prod framework

Add support for prod framework in spi core

Change-Id: Iaa70f8b3bb3efb3a3b13aa7f2d43562b9fff9e51
Signed-off-by: Vishwaroop A <va@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Abhilash G <abhilashg@nvidia.com>

drivers/spi/spi.c

@@ -2670,6 +2670,8 @@ static void of_register_spi_devices(struct spi_controller *ctlr)
 	for_each_available_child_of_node(ctlr->dev.of_node, nc) {
 		if (of_node_test_and_set_flag(nc, OF_POPULATED))
 			continue;
+		if (!strcmp(nc->name, "prod-settings"))
+			continue;
 		spi = of_register_spi_device(ctlr, nc);
 		if (IS_ERR(spi)) {
 			dev_warn(&ctlr->dev,