mmc: Fix compile for omap_hsmmc.c

This fixes the issue noted by Russell King:

drivers/mmc/host/omap_hsmmc.c: In function 'mmc_omap_xfer_done':
drivers/mmc/host/omap_hsmmc.c:301: error: implicit declaration of function 'mmc_omap_fclk_lazy_disable'

This got broken by 4a694dc915c9a223044ce21fc0d99e63facd1d64.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>

drivers/mmc/host/omap_hsmmc.c

@@ -298,7 +298,6 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
 		struct mmc_request *mrq = host->mrq;
 
 		host->mrq = NULL;
-		mmc_omap_fclk_lazy_disable(host);
 		mmc_request_done(host->mmc, mrq);
 		return;
 	}