smdk4412-common: update proprietary files

Change-Id: I277370f91e57dbe0339155e0db9a1529d45f06cc
Add support for chromecast hack

Change-Id: Ife13234fe3cead87fcd1da19a7501ba8793a7871
cleanup

Change-Id: I145790552ef7609c17f6bd42a6d2f686e384a80f
Cleanup

- Overlay isn't required and causes wifi issues.
- i930x/n710x have their own system.prop

Change-Id: I9f9ed2ac2b6ed26264390bbc37d724f794a45af8
smdk4412-common: open source libUMP

Change-Id: I804424192c7f97523697a94cbc5dc939c27192e3

Conflicts:
	extract-files.sh
smdk4412-camera: Setup gralloc buffers properly

Seems to solve https://namelessrom.atlassian.net/browse/NAMELESS-71 when opening
camera after playing videos.

Tested together with:
- https://gerrit.nameless-rom.org/#/c/9064/
- https://gerrit.nameless-rom.org/#/c/12178/
- https://gerrit.nameless-rom.org/#/c/12177/

Change-Id: I6e8a481b54c14782564657492bf917fc780b6a4f