powerpc/imc-pmu: Fix use of mutex in IRQs disabled section
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.164 by commit 8cbeb60320ac45a8240b561c8ef466b86c34dedc, it was introduced in version v4.14 by commit 8f95faaac56c18b32d0e23ace55417a440abdb7e. For more details please see the references link.