ARM: mmci: complete the transaction on error

When we encounter an error, make sure we complete the transaction
otherwise we'll leave the request dangling.

Acked-by: Linus Walleij <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

drivers/mmc/host/mmci.c

···
 	if (status & MCI_DATABLOCKEND)
 		dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n");
 
-	if (status & MCI_DATAEND) {
+	if (status & MCI_DATAEND || data->error) {
 		mmci_stop_data(host);
 
 		if (!data->error)