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/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index faf3594..4b83c43 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1192,7 +1192,7 @@
 	mmiowb();
 
 	if (sdhost->mrq) {
-		printk(KERN_ERR "%s: Controller removed during "
+		pr_err("%s: Controller removed during "
 			"transfer\n", mmc_hostname(sdhost->mmc));
 
 		/* make sure all DMA is stopped */