This change will disable unused devices in device tree to improve boot performance. TEST=Build/Flash CB and boot to OS. verify Touch screen, Audio, WIFI and Track pad functionality. Change-Id: Ib5ae31c96d75f9a5b0f8d8b72d058e18fe7d7e67 Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com> Original-Reviewed-on: https://chromium-review.googlesource.com/300943 Original-Reviewed-by: Hannah Williams <hannah.williams@intel.com> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Tested-by: Gomathi Kumar <gomathi.kumar@intel.com> Reviewed-on: https://review.coreboot.org/13423 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>