mfd: Fix htc-egpio compile warning

resource_size_t can be a 64 bits value. Since this is just a printk, we'll
cast it to a u32.
Signed-off-by: NSamuel Ortiz <sameo@openedhand.com>

drivers/mfd/htc-egpio.c

@@ -289,7 +289,7 @@ static int __init egpio_probe(struct platform_device *pdev)
 	ei->base_addr = ioremap_nocache(res->start, res->end - res->start);
 	if (!ei->base_addr)
 		goto fail;
-	pr_debug("EGPIO phys=%08x virt=%p\n", res->start, ei->base_addr);
+	pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
 
 	if ((pdata->bus_width != 16) && (pdata->bus_width != 32))
 		goto fail;