ASoC: amd: acp: add missing SND_SOC_AMD_ACP_LEGACY_COMMON flag for ACP70

add missing dependent SND_SOC_AMD_ACP_LEGACY_COMMON flag for ACP70 platform.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20231116053405.2574081-1-Syed.SabaKareem@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp/Kconfig

@@ -80,6 +80,7 @@ config SND_AMD_ASOC_ACP70
 	select SND_SOC_AMD_ACP_PCM
 	select SND_SOC_AMD_ACP_I2S
 	select SND_SOC_AMD_ACP_PDM
+	select SND_SOC_AMD_ACP_LEGACY_COMMON
 	help
 	This option enables Acp7.0 PDM support on AMD platform.
 	Say Y if you want to enable AUDIO on ACP7.0