Loosely based on code from Robert Richter and Hanjun Guo.

Improve out of range node detection as well as allow for Larger SRAT
entities.

Add printing of nice messages.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>