rockchip: clk: rk3188: convert to use live dt

Use live dt api to get cru base addr.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/clk/rockchip/clk_rk3188.c b/drivers/clk/rockchip/clk_rk3188.c
index 6451c95..ad8df5a 100644
--- a/drivers/clk/rockchip/clk_rk3188.c
+++ b/drivers/clk/rockchip/clk_rk3188.c
@@ -541,7 +541,7 @@
 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	struct rk3188_clk_priv *priv = dev_get_priv(dev);
 
-	priv->cru = (struct rk3188_cru *)devfdt_get_addr(dev);
+	priv->cru = dev_read_addr_ptr(dev);
 #endif
 
 	return 0;