ARM: dts: msm: decrease vertical pulse width for OSD display

Decrease the vertical pulse width for the panel on APQ8009 to
show the missing lines on panel lost due to shift in display
area.

Change-Id: I53f71cbe8e2cd9a3d9ee8b474d92986e14160e7d
Signed-off-by: Chirag Khurana <ckhurana@codeaurora.org>