ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write() The "id" comes from the user. Change the type to unsigned to prevent an array underflow.