ASIX: Fix buffer access in asix_get_phy_addr()

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index 9b012e4..2f116c0 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -219,7 +219,7 @@
 		debug("Error reading PHYID register: %02x\n", ret);
 		goto out;
 	}
-	debug("asix_get_phy_addr() returning 0x%04x\n", *((__le16 *)buf));
+	debug("asix_get_phy_addr() returning 0x%02x%02x\n", buf[0], buf[1]);
 	ret = buf[1];
 
 out: