add snd-aloop and snd-dummy modules.

Change-Id: Ib9e4e276321113afcaa16122ac20211a5772f828
Reviewed-on: https://tp-biosrd-v02/gerrit/81594
Reviewed-by: Jamess Huang(黃以民) <Jamess_Huang@asus.com>
Tested-by: Jamess Huang(黃以民) <Jamess_Huang@asus.com>

Author: Angus_Wang

arch/arm/configs/miniarm-rk3288_defconfig

@@ -563,6 +563,8 @@ CONFIG_SND_SOC_RT5616=y
 CONFIG_SND_SOC_RT5640=y
 CONFIG_SND_SOC_SPDIF=y
 CONFIG_SND_SIMPLE_CARD=y
+CONFIG_SND_ALOOP=m
+CONFIG_SND_DUMMY=m
 CONFIG_SOUND_PRIME=y
 CONFIG_HID_BATTERY_STRENGTH=y
 CONFIG_HIDRAW=y