mmc: Add module.h to drivers/mmc users assuming implicit presence.

We are cleaning up the implicit presence of module.h; these guys are
some of the people who just assume it will be there.  Call it out
explitly for those that really need it.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
[kdorfman@codeaurora.org: files are not exists: sdhci-pxav2.c, sdhci-pxav3.c
file is not updated: sdhci-pltfm.c]
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 4dfe2c0..faf3594 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/pci.h>
+#include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <linux/highmem.h>
 #include <linux/delay.h>