tvafe: add txhd2 config [1/1]

PD#SWPL-197636

Problem:
lack txhd2 config

Solution:
add txhd2 config

Verify:
txhd2

Change-Id: Ifb49bf08ec771649af27466eb8f39bbfd969d70f
Signed-off-by: Haotian Guo <haotian.guo@amlogic.com>
2 files changed