ARM: dts: msm: Remove unnecessary delays when init otm8019a panel

Resuming panel cost about 550ms on 8916 skui and that is much more
longer than other projects. Reduce it from 550ms to 160ms by removing
unnecessary delays in the panel initial code.

Change-Id: Ib2ff54185ba0f703eaffdfc16d41320623fa7daa
Signed-off-by: Shuo Yan <shuoy@codeaurora.org>