[BUG] [Multi-core] alsabat test fails on core 0 pipelines

[keqiaozhang]

Describe the bug
It seems that no internal loopback support on core 0 pipelines. All captured data is 0. But no such issue on core1/2 pipelines.

To Reproduce
~/sof-test/test-case/check-alsabat.sh -p hw:sofnocodec,0 -c hw:sofnocodec,0 -C 2 -F 821

Reproduction Rate
100%

Environment

1. Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
   • Kernel: {0efaf69a10d7}
   • SOF: {5f118b761bf0}
2. Name of the topology file
   • Topology: {sof-ace-tplg/sof-mtl-nocodec-multicore.tplg}
3. Name of the platform(s) on which the bug is observed.
   • Platform: {MTL-NOCODEC-MULTICORE}

[wszypelt]

@keqiaozhang Request for kernel logs with complete IPC payloads

[keqiaozhang]

Confirmed that this issue was fixed by #7818