arm64: defconfig: Enable SOUND_SOC_RZ

Enable sound driver support for Renesas RZ/G2L based platforms.
Signed-off-by: NBiju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210920093905.10878-2-biju.das.jz@bp.renesas.comSigned-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/configs/defconfig

@@ -765,6 +765,7 @@ CONFIG_SND_SOC_ROCKCHIP_RT5645=m
 CONFIG_SND_SOC_RK3399_GRU_SOUND=m
 CONFIG_SND_SOC_SAMSUNG=y
 CONFIG_SND_SOC_RCAR=m
+CONFIG_SND_SOC_RZ=m
 CONFIG_SND_SUN4I_I2S=m
 CONFIG_SND_SUN4I_SPDIF=m
 CONFIG_SND_SOC_TEGRA=m