[PDK KK ABSP] libmix: rename MetadataBufferType

BZ: 141313

Rename MetadataBufferType as IntelMetadataBufferType to avoid data type redefinition.

Change-Id: I8e74fa9b1c887d8bd6ab51c8667ac91037ff2399
Signed-off-by: Zhao Liang <leo.zhao@intel.com>
Signed-off-by: Dan Liang <dan.liang@intel.com>
8 files changed