OMAP:MMC: Fix slot id definition on hsmmc probe.

host->slot_id = (pdev->id - 1) definition is wrong. For each hsmmc host controller's
instance, the first slot always has id=0.
Signed-off-by: David Cohen <david.cohen@indt.org.br>
Acked-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/mmc/host/omap_hsmmc.c

@@ -723,7 +723,7 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
 	host->dma_ch	= -1;
 	host->irq	= irq;
 	host->id	= pdev->id;
-	host->slot_id	= pdev->id - 1;
+	host->slot_id	= 0;
 	host->mapbase	= res->start;
 	host->base	= ioremap(host->mapbase, SZ_4K);
 	mmc->ops	= &mmc_omap_ops;