net: mtk_eth_soc: fix device leak at probe

The reference count to the WED devices has already been incremented when
looking them up using of_find_device_by_node() so drop the bogus
additional reference taken during probe.

Fixes: 804775d ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
Cc: stable@vger.kernel.org	# 5.19
Cc: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250725171213.880-5-johan@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: jhovold

drivers/net/ethernet/mediatek/mtk_wed.c

@@ -2782,7 +2782,6 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
 	if (!pdev)
 		goto err_of_node_put;
 
-	get_device(&pdev->dev);
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		goto err_put_device;