GCC4.6: Squash warnings in ks8695eth.c

ks8695eth.c:199:2: warning: format '%x' expects type 'unsigned int', but
argument 4 has type 'volatile void *'

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>

drivers/net/ks8695eth.c

@@ -196,7 +196,7 @@ static int ks8695_eth_send(struct eth_device *dev, volatile void *packet,
 	volatile struct ks8695_txdesc *dp;
 	static int next = 0;
 
-	debug ("%s(%d): eth_send(packet=%x,len=%d)\n", __FILE__, __LINE__,
+	debug ("%s(%d): eth_send(packet=%p,len=%d)\n", __FILE__, __LINE__,
 		packet, len);
 
 	dp = &ks8695_tx[next];