dm: spi: Do not assume first SPI bus

When CONFIG_OF_PRIOR_STAGE is enabled, this workaround was needed
before device_bind_common assigned request numbers sequentially in the
absence of aliases.

Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 76c4b53..a4d1b65 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -299,7 +299,7 @@
 	bool created = false;
 	int ret;
 
-#if CONFIG_IS_ENABLED(OF_PLATDATA) || CONFIG_IS_ENABLED(OF_PRIOR_STAGE)
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
 	ret = uclass_first_device_err(UCLASS_SPI, &bus);
 #else
 	ret = uclass_get_device_by_seq(UCLASS_SPI, busnum, &bus);