timer: Return count from timer_ops.get_count

No timer drivers return an error from get_count. Instead of possibly
returning an error, just return the count directly.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/timer/dw-apb-timer.c b/drivers/timer/dw-apb-timer.c
index 35271b2..68bc258 100644
--- a/drivers/timer/dw-apb-timer.c
+++ b/drivers/timer/dw-apb-timer.c
@@ -25,7 +25,7 @@
 	struct reset_ctl_bulk resets;
 };
 
-static int dw_apb_timer_get_count(struct udevice *dev, u64 *count)
+static u64 dw_apb_timer_get_count(struct udevice *dev)
 {
 	struct dw_apb_timer_priv *priv = dev_get_priv(dev);
 
@@ -34,9 +34,7 @@
 	 * requires the count to be incrementing. Invert the
 	 * result.
 	 */
-	*count = timer_conv_64(~readl(priv->regs + DW_APB_CURR_VAL));
-
-	return 0;
+	return timer_conv_64(~readl(priv->regs + DW_APB_CURR_VAL));
 }
 
 static int dw_apb_timer_probe(struct udevice *dev)