arm64: defconfig: Enable Audio Graph Card2 driver

commit 6e5f68fe

 ("ASoC: add Audio Graph Card2 driver")
added new Audio Graph Card2 driver which can handle
sound card more flexibly.
This patch enables it on defconfig.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/20220124021142.224592-3-kuninori.morimoto.gx@renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>