of: Drop superfluous ULL suffix for ~0

There is no need to specify a "ULL" suffix for "all bits set": "~0" is
sufficient, and works regardless of type.  In fact adding the suffix
makes the code more fragile.

Fixes: 48ab6d5 ("dma-mapping: fix 32-bit overflow with CONFIG_ARM_LPAE=n")
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Author: geertu

drivers/of/device.c

@@ -112,7 +112,7 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
 		u64 dma_end = 0;
 
 		/* Determine the overall bounds of all DMA regions */
-		for (dma_start = ~0ULL; r->size; r++) {
+		for (dma_start = ~0; r->size; r++) {
 			/* Take lower and upper limits */
 			if (r->dma_start < dma_start)
 				dma_start = r->dma_start;