arm/dt: msm8974: Add HDMI Tx mux gpios for liquid

On 8974 liquid device, HDMI_MUX_SEL and HDMI_MUX_EN MPPs are
needed to detect and switch hdmi connection between docking
station and device based HDMI ports.

Change-Id: Id75066bbd86fe7672cd8ef0a6f3cad39628fad03
Signed-off-by: Ujwal Patel <ujwalp@codeaurora.org>
2 files changed