rockchip: efuse: change to use dev_read_addr_ptr

With the dev_read_addr_ptr function available, we can change the
efuse driver to use it (and eliminate the explicit type-cast).

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/rockchip-efuse.c b/drivers/misc/rockchip-efuse.c
index 2e3bc91..a2203bf 100644
--- a/drivers/misc/rockchip-efuse.c
+++ b/drivers/misc/rockchip-efuse.c
@@ -142,7 +142,7 @@
 {
 	struct rockchip_efuse_platdata *plat = dev_get_platdata(dev);
 
-	plat->base = (void *)dev_read_addr(dev);
+	plat->base = dev_read_addr_ptr(dev);
 	return 0;
 }