ASoC: modify Kconfig files to enable audio for DisplayPort on SDM845

Audio configurations for DisplayPort are missing in Kconfig files on
SDM845. Add them to enable audio functionality for DisplayPort.

Change-Id: Idf54453ab7c853187db1b8ff4bcca6e5d84376fb
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
2 files changed