rockchip: timer: update for 32/64bit-aware OF_PLATDATA

With dtoc emitting fdt64_t for addresses (and region sizes), the array
indices for accessing the reg[] array needs to be adjusted.  This
adjusts the Rockchip DM timer driver to correctly handle OF_PLATDATA
given this new structure layout.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/timer/rockchip_timer.c b/drivers/timer/rockchip_timer.c
index 460eb82..07d1448 100644
--- a/drivers/timer/rockchip_timer.c
+++ b/drivers/timer/rockchip_timer.c
@@ -140,7 +140,7 @@
 	struct rockchip_timer_priv *priv = dev_get_priv(dev);
 	struct rockchip_timer_plat *plat = dev_get_platdata(dev);
 
-	priv->timer = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]);
+	priv->timer = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
 	uc_priv->clock_rate = plat->dtd.clock_frequency;
 #endif