arm64: defconfig: enable Rockchip RK3308 internal audio codec driver

This codec now has a driver.

Signed-off-by: Luca Ceresoli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Stuebner <[email protected]>

Author: lucaceresoli

arch/arm64/configs/defconfig

@@ -991,6 +991,7 @@ CONFIG_SND_SOC_GTM601=m
 CONFIG_SND_SOC_MSM8916_WCD_ANALOG=m
 CONFIG_SND_SOC_MSM8916_WCD_DIGITAL=m
 CONFIG_SND_SOC_PCM3168A_I2C=m
+CONFIG_SND_SOC_RK3308=m
 CONFIG_SND_SOC_RK817=m
 CONFIG_SND_SOC_RT5640=m
 CONFIG_SND_SOC_RT5659=m