mmc: tmio: use CTL_STATUS consistently

To prevent confusion, use the virtual u32 CTL_STATUS in card_busy() the
same way as in other parts of this driver.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 3635940..57d3507 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -964,7 +964,7 @@
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
 
-	return !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS2) & TMIO_STATUS2_DAT0);
+	return !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS) & TMIO_STAT_DAT0);
 }
 
 static struct mmc_host_ops tmio_mmc_ops = {