ASoC: uniphier: use devm_kmemdup_array()

Convert to use devm_kmemdup_array() and while at it, make the size robust
against type changes.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Link: https://patch.msgid.link/20250228062812.150004-7-raag.jadav@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/uniphier/aio-cpu.c

@@ -762,14 +762,10 @@ int uniphier_aio_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	chip->num_plls = chip->chip_spec->num_plls;
-	chip->plls = devm_kcalloc(dev,
-				  chip->num_plls,
-				  sizeof(struct uniphier_aio_pll),
-				  GFP_KERNEL);
+	chip->plls = devm_kmemdup_array(dev, chip->chip_spec->plls, chip->num_plls,
+					sizeof(*chip->chip_spec->plls), GFP_KERNEL);
 	if (!chip->plls)
 		return -ENOMEM;
-	memcpy(chip->plls, chip->chip_spec->plls,
-	       sizeof(struct uniphier_aio_pll) * chip->num_plls);
 
 	for (i = 0; i < chip->num_aios; i++) {
 		struct uniphier_aio *aio = &chip->aios[i];