Merge tag 'pxa-dt-4.13' of https://github.com/rjarzmik/linux into next/dt

Pull "pxa-dt for v4.13" from Robert Jarzmik:

This device-tree pxa update brings :
 - cpu operating points renaming from Viresh

* tag 'pxa-dt-4.13' of https://github.com/rjarzmik/linux:
  ARM: pxa: Use - instead of @ for DT OPP entries