defconfig: msm8994: Enable LiQUID dock driver

Enable the driver that supports the MSM8994 LiQUID docking
station. This will allow the USB Hub and Ethernet ports
found on the dock to be when the tablet is inserted.

Change-Id: I5181f2ad3ba7cec5dd4035a29248f71d3481d974
Signed-off-by: Jack Pham <jackp@codeaurora.org>