net: ag71xx: use ethtool_puts

Allows simplifying get_strings and avoids manual pointer manipulation.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20240905194938.8453-5-rosenp@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/atheros/ag71xx.c

@@ -509,8 +509,7 @@ static void ag71xx_ethtool_get_strings(struct net_device *netdev, u32 sset,
 	switch (sset) {
 	case ETH_SS_STATS:
 		for (i = 0; i < ARRAY_SIZE(ag71xx_statistics); i++)
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       ag71xx_statistics[i].name, ETH_GSTRING_LEN);
+			ethtool_puts(&data, ag71xx_statistics[i].name);
 		break;
 	case ETH_SS_TEST:
 		net_selftest_get_strings(data);