msm: mdss: hdmi: validate EDID modes against max refresh rate

Do not support EDID's DTD modes whose refresh rate is
greater than max supported refresh rate.

Change-Id: I9e5e5367d38b482fff210d35cad89455656d33fe
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>