am 142eafac: am 93369c24: Add the \'hello-neon\' sample app to demonstrate cpufeatures and ARM Neon usage.

Merge commit '142eafac97d8aae9d05532d19a80494a1593d2e8'

* commit '142eafac97d8aae9d05532d19a80494a1593d2e8':
  Add the 'hello-neon' sample app to demonstrate cpufeatures and ARM Neon usage.