[IA64/X86_64] swiotlb.c: fix gcc printk warning

swiotlb: Fix gcc printk format warning on x86_64, OK for ia64:
arch/ia64/lib/swiotlb.c:351: warning: long unsigned int format, long
long unsigned int arg (arg 2)
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/lib/swiotlb.c

@@ -357,8 +357,8 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 
 	/* Confirm address can be DMA'd by device */
 	if (address_needs_mapping(hwdev, dev_addr)) {
-		printk("hwdev DMA mask = 0x%016lx, dev_addr = 0x%016lx\n",
-		       *hwdev->dma_mask, dev_addr);
+		printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016lx\n",
+		       (unsigned long long)*hwdev->dma_mask, dev_addr);
 		panic("swiotlb_alloc_coherent: allocated memory is out of "
 		      "range for device");
 	}