ti: ethernet: cpdma: Use correct format for genpool_*

Now that we can compile davinci_cpdma.c on 64-bit hosts, we can see that
the format used for printing a size_t type is incorrect, use %zd
accordingly.

Fixes: aeec3021 ("net: ethernet: ti: cpdma: remove used_desc counter")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ti/davinci_cpdma.c

@@ -191,7 +191,7 @@ static void cpdma_desc_pool_destroy(struct cpdma_ctlr *ctlr)
 		return;
 
 	WARN(gen_pool_size(pool->gen_pool) != gen_pool_avail(pool->gen_pool),
-	     "cpdma_desc_pool size %d != avail %d",
+	     "cpdma_desc_pool size %zd != avail %zd",
 	     gen_pool_size(pool->gen_pool),
 	     gen_pool_avail(pool->gen_pool));
 	if (pool->cpumap)