Add EXTCON_DISP_CVBS for Composite Video Broadcast Signal.
Add EXTCON_DISP_EDP for Embedded Display Port

[1] https://en.wikipedia.org/wiki/Composite_video
[2] https://en.wikipedia.org/wiki/DisplayPort#eDP



Signed-off-by: Michael Wu <michael@allwinnertech.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

Bug: 322749762
(cherry picked from commit 3a06ed80)
Signed-off-by: Aran Dalton <arda@allwinnertech.com>
Change-Id: I8ad34b830ad2013c90d729c20050f5cbd8aa661a