UPSTREAM: ASoC: rockchip: Add support rt5514 dsp summy dailink

This patch can attach automaticlly rt5514 spi DAI with driver name "rt5514"
in the snd_soc_find_dai process. Turn this feature on, we can enable the
voice wake up via rt5514 dsp for RK3399 Gru Boards.

BUG=chrome-os-partner:52651
TEST=we can attach the rt5514 dsp DAI via SPI bus for voice wakeup on
RK3399 GRU Boards.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from git.kernel.org broonie/sound.git topic/rockchip
 commit e5abe959549ca267d2f6c7b0df1f74a0d8deab40)

Change-Id: Ia71518c55866baa397ba5768f85ff93c4c87279f
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/373282
Commit-Ready: Wonjoon Lee <woojoo.lee@samsung.com>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Stephen Barber <smbarber@chromium.org>
2 files changed