ucm-config: veyron: add "Headphone Switch" control

We noticed some pop noise after switching output from headphone.
It seems like adding "Headphone Switch" control like other platform
would help.

BUG=chrome-os-partner:57435
TEST=manually, no more pop noise

Change-Id: I43b89200b9193c62f770f0659fcc7e5f7db3cc86
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/419933
Reviewed-by: Dylan Reid <dgreid@chromium.org>
4 files changed