ASoC: codecs: da7219: fix 'defined but not used' warning

fix W=1 warning

sound/soc/codecs/da7219.c:1711:36: warning: 'da7219_acpi_match'
defined but not used [-Wunused-const-variable=]
 1711 | static const struct acpi_device_id da7219_acpi_match[] = {
      |                                    ^~~~~~~~~~~~~~~~~
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200707190612.97799-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/da7219.c

@@ -1708,11 +1708,13 @@ static const struct of_device_id da7219_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, da7219_of_match);
 
+#ifdef CONFIG_ACPI
 static const struct acpi_device_id da7219_acpi_match[] = {
 	{ .id = "DLGS7219", },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
+#endif
 
 static enum da7219_micbias_voltage
 	da7219_fw_micbias_lvl(struct device *dev, u32 val)