ASoC: amd: fixed kernel warnings

This patch will fix unused variables kernel warnings when
CONFIG_ACPI is disabled.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/1594147044-25582-1-git-send-email-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/renoir/rn-pci-acp3x.c

@@ -168,8 +168,10 @@ static int snd_rn_acp_probe(struct pci_dev *pci,
 {
 	struct acp_dev_data *adata;
 	struct platform_device_info pdevinfo[ACP_DEVS];
+#if defined(CONFIG_ACPI)
 	acpi_handle handle;
 	acpi_integer dmic_status;
+#endif
 	unsigned int irqflags;
 	int ret, index;
 	u32 addr;