CVE-2021-46969 bus: mhi: core: Fix invalid error returning in mhi_queue

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: core: Fix invalid error returning in mhiqueue mhiqueue returns an error when the doorbell is not accessible in the current state. This can happen when the device is in non M0 state, like M3, and needs to be waken-up pri...