mmc: replace printk with appropriate display macro

All the files using printk function for displaying kernel messages
in the mmc driver have been replaced with corresponding macro.

Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 40e4c05..4602771 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -464,7 +464,7 @@
 	struct mmci_host_next *next = &host->next_data;
 
 	if (data->host_cookie && data->host_cookie != next->cookie) {
-		printk(KERN_WARNING "[%s] invalid cookie: data->host_cookie %d"
+		pr_warning("[%s] invalid cookie: data->host_cookie %d"
 		       " host->next_data.cookie %d\n",
 		       __func__, data->host_cookie, host->next_data.cookie);
 		data->host_cookie = 0;