mmc-host: mxcmmc: use setup_timer() helper.

Use setup_timer function instead of initializing timer with the
   function and data fields.
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mxcmmc.c

@@ -1165,9 +1165,7 @@ static int mxcmci_probe(struct platform_device *pdev)
 			goto out_free_dma;
 	}
 
-	init_timer(&host->watchdog);
-	host->watchdog.function = &mxcmci_watchdog;
-	host->watchdog.data = (unsigned long)mmc;
+	setup_timer(&host->watchdog, &mxcmci_watchdog, (unsigned long)mmc);
 
 	mmc_add_host(mmc);