CVE-2024-26784 pmdomain: arm: Fix NULL dereference on scmi_perf_domain removal

In the Linux kernel, the following vulnerability has been resolved: pmdomain: arm: Fix NULL dereference on scmiperfdomain removal On unloading of the scmiperfdomain module got the below splat, when in the DT provided to the system under test the 'power-domain-cells' property was missing. Indeed,...