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: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

drivers/timer/rockchip_timer.c

@@ -140,7 +140,7 @@ static int rockchip_timer_probe(struct udevice *dev)
 	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