msm: mdss: hdmi: handle wake_irq on suspend/resume

Enable wake_irq on device suspend to receive CEC/HPD
interrupts when device is in deep suspend state.
Disable wake_irq on device resume.

Change-Id: I058b4354c1690e23243107310bf9e3563cf2c16e
Signed-off-by: Narender Ankam <nankam@codeaurora.org>