rockchip: clk: rk1108: 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_rv1108.c b/drivers/clk/rockchip/clk_rv1108.c
index 224c813..958fc78 100644
--- a/drivers/clk/rockchip/clk_rv1108.c
+++ b/drivers/clk/rockchip/clk_rv1108.c
@@ -213,7 +213,7 @@
 {
 	struct rv1108_clk_priv *priv = dev_get_priv(dev);
 
-	priv->cru = (struct rv1108_cru *)devfdt_get_addr(dev);
+	priv->cru = dev_read_addr_ptr(dev);
 
 	rkclk_init(priv->cru);