ARM: dts: msm: remove sync broadcast property for nt35597 panel

Remove sync broadcast property for nt35597 truly panel as the
panel does not behave properly for slave controller if ESD is
enabled.

Change-Id: I51c7aae2727880e8b3fbe734fa83ee9202e9055e
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>