ASoC: amd: vangogh: use sizeof of variable instead of struct type

Use sizeof(*machine) instead of sizeof(struct acp5x_platform_info)

There is a possibility of bug when variable type has changed but
corresponding struct passed to the sizeof has not.
Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com>
Link: https://lore.kernel.org/r/20230217110850.1045250-4-lucas.tanure@collabora.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/vangogh/acp5x-mach.c

@@ -342,7 +342,7 @@ static int acp5x_probe(struct platform_device *pdev)
 	struct snd_soc_card *card;
 	int ret;
 
-	machine = devm_kzalloc(dev, sizeof(struct acp5x_platform_info), GFP_KERNEL);
+	machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);
 	if (!machine)
 		return -ENOMEM;