ASoC: amd: acp: Fix devm_snd_soc_register_card(acp-pdm-mach) failure

Add condition check to fix devm_snd_soc_register_card(acp-pdm-mach)
deferred probe failure, when pdm DSD entry is not available.

[15.910456] acp_mach acp-pdm-mach: devm_snd_soc_register_card(acp-pdm-mach) failed: -517
[15.910536] platform acp-pdm-mach: deferred probe pending: (reason unknown)

Fixes: 6e60db7 ("ASoC: amd: acp: Refactor acp machine select")

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250425060144.1773265-3-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Venkata-Prasad-Potturu

sound/soc/amd/acp/acp-legacy-common.c

@@ -450,7 +450,7 @@ int acp_machine_select(struct acp_chip_info *chip)
 	struct snd_soc_acpi_mach *mach;
 	int size, platform;
 
-	if (chip->flag == FLAG_AMD_LEGACY_ONLY_DMIC) {
+	if (chip->flag == FLAG_AMD_LEGACY_ONLY_DMIC && chip->is_pdm_dev) {
 		platform = chip->acp_rev;
 		chip->mach_dev = platform_device_register_data(chip->dev, "acp-pdm-mach",
 							       PLATFORM_DEVID_NONE, &platform,