pseries/nodes: Ensure enough nodes avail for operations

pseries/initnodes: Ensure nodes initialized for hotplug

Signed-off-by: Michael Bringmann <redacted>

Michael Bringmann (2):
  pseries/nodes: Ensure enough nodes avail for operations
  pseries/initnodes: Ensure nodes initialized for hotplug
---
Changes in V6:
  -- Remove some node initialization/allocation from boot setup
  -- Add some needed node initialization to runtime code that maps
     CPUs based on VPHN associativity
  -- Add error checks and alternate recovery for compile flag
     CONFIG_MEMORY_HOTPLUG
  -- Add alternate node selection recovery for !CONFIG_MEMORY_HOTPLUG