Fixed MixStereo AVX unaligned load
Fixed MixStereo AVX unaligned load

Change-Id: I8c5892b8bbd37cb03e58fb40889efb06f2d49275

Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction,Samsung/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction,vmarkovtsev/veles.sound_feature_extraction