Add Enforcing video-snapshot-supported = true

Hopefully this will allow taking pictures while recording video.
hlte: add hltekor dts to dt.img generation

Simply adding dts won't break anything and add support for more devices.

In this case, SM-N900S/K devices are now supported.

Signed-off-by: arter97 <qkrwngud825@gmail.com>
hlte-common: Remove tty_enabled from Telephony
* This is now set in qcom-common