Chameleon: Add support of no EDID

Add a new edid, NO_EDID. When applying it to a port, the port does
not response any EDID response. Make the APIs support it.

BUG=chromium:443418
TEST=The test display_NoEdid following this change will test it.
CQ-DEPEND=CL:236454

Change-Id: I527b26778bc4db3b063eac61809f27e4375988e9
Reviewed-on: https://chromium-review.googlesource.com/236464
Tested-by: Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Hung-ying Tyan <tyanh@chromium.org>
Commit-Queue: Wai-Hong Tam <waihong@chromium.org>
2 files changed