clk: qcom: mdss: add support for HDMI autopll calculations

Automatically calculate the register
values needed for HDMI PLL based on the
pixel clock.

Change-Id: I6fbe519e0316c3f9cc12cd0afd5aa08a90deed7d
Signed-off-by: Casey Piper <cpiper@codeaurora.org>
2 files changed