ARM: dts: reduce on/off time for nt35597 dual-dsi panels

Reduce the wait on each of the commands for the
on/off sequences of the nt35597 dual-dsi command
and video mode panels. This optimizes the suspend/resume
delays on these panels.

CRs-Fixed: 1069775
Change-Id: I229baed9881f89b4dd118fccd3e9f924ca76f76f
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>