[PATCH v2 3/6] powerpc/powernv: Detect supported IMA units and its events

Parse device tree to detect IMA units. Traverse through each IMA unit node to find supported events and corresponding unit/scale files (if any). Right now, only nest IMA units are supported. The nest IMA unit event node from device tree will contain the offset in the reserved memory region to get

[PATCH v2 3/6] powerpc/powernv: Detect supported IMA units and its events

Parse device tree to detect IMA units. Traverse through each IMA unit node to find supported events and corresponding unit/scale files (if any). Right now, only nest IMA units are supported. The nest IMA unit event node from device tree will contain the offset in the reserved memory region to get