[ARM] omap: fix a load of "warning: symbol 'xxx' was not declared. Should it be static?"

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 1e50bf5..1b9fc3c 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -172,7 +172,7 @@
 	struct omap_mmc_platform_data *pdata;
 };
 
-void mmc_omap_fclk_offdelay(struct mmc_omap_slot *slot)
+static void mmc_omap_fclk_offdelay(struct mmc_omap_slot *slot)
 {
 	unsigned long tick_ns;
 
@@ -182,7 +182,7 @@
 	}
 }
 
-void mmc_omap_fclk_enable(struct mmc_omap_host *host, unsigned int enable)
+static void mmc_omap_fclk_enable(struct mmc_omap_host *host, unsigned int enable)
 {
 	unsigned long flags;