arm64: defconfig: Enable Tegra audio graph card driver

This commit enables Tegra audio graph card driver which is based on
the generic audio-graph card driver. This is intended to be used
on platforms based on Tegra210 and later chips.
Signed-off-by: NSameer Pujar <spujar@nvidia.com>
Reviewed-by: NJon Hunter <jonathanh@nvidia.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>

arch/arm64/configs/defconfig

@@ -739,6 +739,7 @@ CONFIG_SND_SOC_TEGRA210_DMIC=m
 CONFIG_SND_SOC_TEGRA210_I2S=m
 CONFIG_SND_SOC_TEGRA186_DSPK=m
 CONFIG_SND_SOC_TEGRA210_ADMAIF=m
+CONFIG_SND_SOC_TEGRA_AUDIO_GRAPH_CARD=m
 CONFIG_SND_SOC_AK4613=m
 CONFIG_SND_SOC_ES7134=m
 CONFIG_SND_SOC_ES7241=m