audio: Add support for TTY feature

- Add mixer paths for TTY specific devices
- Remove irrelevant mixer controls

Bug: 8227215
Change-Id: Ida7101f48c8307947c7c0fab6891ea4b295227d0
Signed-off-by: Ravi Kumar Alamanda <ralama@codeaurora.org>
Signed-off-by: Iliyan Malchev <malchev@google.com>
1 file changed