UPSTREAM: ASoC: da7219: Fix Sidetone to work regardless of DAI capture

UPSTREAM: ASoC: da7219: Fix Sidetone to work regardless of DAI capture

Previously Sidetone would operate only when capture to DAI was in
progress, due to DAPM path configuration. There is no reason why
this should not operate without DAI capture, so this patch updates
the DAPM path accordingly.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit fdd50a8086422caa456b5f8abb631dda6c551744)

Change-Id: I167dfe2bf18d696a01b8261b0fb0bb7a7569ec21
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>