ccio: allow large DMA masks

There is no harm in setting a 64-bit mask even if we don't need it,
and the current ccio code is one of the few place in the kernel
still rejecting larger than required DMA masks.
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/parisc/ccio-dma.c

@@ -710,8 +710,8 @@ ccio_dma_supported(struct device *dev, u64 mask)
 		return 0;
 	}
 
-	/* only support 32-bit devices (ie PCI/GSC) */
-	return (int)(mask == 0xffffffffUL);
+	/* only support 32-bit or better devices (ie PCI/GSC) */
+	return (int)(mask >= 0xffffffffUL);
 }
 
 /**