From: Anton Blanchard <anton@samba.org>

- Merge some whitespace differences with the ameslab tree
- We check for CPU_MASK_ALL in xics to send irqs to all cpus.
  In some cases CPU_MASK_ALL is smaller than the cpumask (eg
  NR_CPUS == 32 and cpumask is a long), so we mask it here to
  be consistent.