dev: gcbd: Added support for dual dsi simulator panel

This change adds support to skip the panel configuration in
bootloader for simulator panels and just passes the panel
string to the kernel and all the configuration are done in
the kernel.
* Reboot the device into fastboot mode
* Run the following command:
  fastboot oem select-display-panel
  <sim_video_panel/sim_dualdsi_video_panel>
* Reboot into apps bootloader
  fastboot reboot-bootloader

Change-Id: I0244b7f805cb1fc3db4d7f38910c0fce044ef886
8 files changed