configs: Add audio_platform_info xml file

Add default audio_platform_info file.
If a particular audio_platform_info file is not found
based on the sound card name, then use default
audio_platform_info.xml file,
This file is copied directly from audio_platform_info_mtp.xml

Change-Id: I01d3df858d0a328f3043485bb91816266e8fa0e0