clk: qcom: mdss: add 20nm hdmi pll support for msm8992

Parse HDMI PLL string for msm8992 to set the PLL
interface type to 20nm HDMI PLL.

Change-Id: I7fe187148395d530871dd85ccd59f0645f894096
Signed-off-by: Casey Piper <cpiper@codeaurora.org>
1 file changed