ASoC: amd: acp: Fix signedness bug in renoir_audio_probe()

The "adata->i2s_irq" is unsigned so this error handling will not
work.

Fixes: 3304a242f4 ("ASoC: amd: Use platform_get_irq_byname() to get the interrupt")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220304131449.GC28739@kili
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp/acp-renoir.c

@@ -282,9 +282,10 @@ static int renoir_audio_probe(struct platform_device *pdev)
 	if (!adata->acp_base)
 		return -ENOMEM;
 
-	adata->i2s_irq = platform_get_irq_byname(pdev, "acp_dai_irq");
-	if (adata->i2s_irq < 0)
-		return -ENODEV;
+	ret = platform_get_irq_byname(pdev, "acp_dai_irq");
+	if (ret < 0)
+		return ret;
+	adata->i2s_irq = ret;
 
 	adata->dev = dev;
 	adata->dai_driver = acp_renoir_dai;