net: axienet: add missing error return code in axienet_probe()

It should return error code in error path in axienet_probe().

Fixes: 00be43a7 ("net: axienet: make the 64b addresable DMA depends on 64b archectures")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220616062917.3601-1-yangyingliang@huawei.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/xilinx/xilinx_axienet_main.c

@@ -2039,6 +2039,7 @@ static int axienet_probe(struct platform_device *pdev)
 	}
 	if (!IS_ENABLED(CONFIG_64BIT) && lp->features & XAE_FEATURE_DMA_64BIT) {
 		dev_err(&pdev->dev, "64-bit addressable DMA is not compatible with 32-bit archecture\n");
+		ret = -EINVAL;
 		goto cleanup_clk;
 	}