staging: most: Use %pM format specifier for MAC addresses

Convert to %pM instead of using custom code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200730151506.38827-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/net/net.c

@@ -564,13 +564,11 @@ static void on_netinfo(struct most_interface *iface,
 
 	if (m && is_valid_ether_addr(m)) {
 		if (!is_valid_ether_addr(dev->dev_addr)) {
-			netdev_info(dev, "set mac %02x-%02x-%02x-%02x-%02x-%02x\n",
-				    m[0], m[1], m[2], m[3], m[4], m[5]);
+			netdev_info(dev, "set mac %pM\n", m);
 			ether_addr_copy(dev->dev_addr, m);
 			netif_dormant_off(dev);
 		} else if (!ether_addr_equal(dev->dev_addr, m)) {
-			netdev_warn(dev, "reject mac %02x-%02x-%02x-%02x-%02x-%02x\n",
-				    m[0], m[1], m[2], m[3], m[4], m[5]);
+			netdev_warn(dev, "reject mac %pM\n", m);
 		}
 	}