sdio: fix the use of hard coded timeout value.

This adds reading and using of enable_timeout from the CIS

Signed-off-by: Benzi Zbit <benzi.zbit@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index 3ccf691..0888df6 100755
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -76,11 +76,7 @@
 	if (ret)
 		goto err;
 
-	/*
-	 * FIXME: This should timeout based on information in the CIS,
-	 * but we don't have card to parse that yet.
-	 */
-	timeout = jiffies + HZ;
+	timeout = jiffies + msecs_to_jiffies(func->enable_timeout);
 
 	while (1) {
 		ret = mmc_io_rw_direct(func->card, 0, 0, SDIO_CCCR_IORx, 0, &reg);