Merge tag 'drivers_pl172_for_4.4' of https://github.com/manabian/linux-lpc into next/drivers

Merge "PL172 driver updates for v4.4" from Joachim Eastwood:

Support for additional ARM MPMCs to the PL172 driver and an update to
the bindings documentation to reflect this from Vladimir Zapolskiy.

"The change adds support of ARM PrimeCell PL175 MPMC and PL176 MPMC,
 the static memory controllers on devices are similar to one found on
 ARM PrimeCell PL172, add support to the existing driver."

* tag 'drivers_pl172_for_4.4' of https://github.com/manabian/linux-lpc:
  doc: dt: arm,pl172: add description of PL175 and PL176 controllers
  memory: pl172: add ARM PrimeCell PL176 MPMC support
  memory: pl172: add ARM PrimeCell PL175 MPMC support
  memory: pl172: correct MPMC peripheral ID register bits