rockchip: spi: Convert to livetree

Update the Rockchip SPI driver to support a live device tree.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c
index c70d636..b18db74 100644
--- a/drivers/spi/rk_spi.c
+++ b/drivers/spi/rk_spi.c
@@ -184,7 +184,7 @@
 	struct rockchip_spi_priv *priv = dev_get_priv(bus);
 	int ret;
 
-	plat->base = devfdt_get_addr(bus);
+	plat->base = dev_read_addr(bus);
 
 	ret = clk_get_by_index(bus, 0, &priv->clk);
 	if (ret < 0) {