audio: auge: add vad driver [1/1]

PD#SWPL-2404

Problem:
VAD for wake up

Solution:
Add vad driver to fetch VAD buffer and ALSA buffer, in userspace, they
will be combined for wakeup engine

Verify:
x301

Change-Id: I3b4de5fdfe173ce18e58a187a3adeda601e226b3
Signed-off-by: Xing Wang <xing.wang@amlogic.com>

Conflicts:
	MAINTAINERS
	arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts
	include/linux/amlogic/major.h
	sound/soc/amlogic/auge/ddr_mngr.h
	sound/soc/amlogic/auge/tdm.c
2 files changed