Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Update defconfigs
  [POWERPC] atomic_dec_if_positive sign extension fix
  [POWERPC] Fix OF node refcnt underflow in 836x and 832x platform code
  [POWERPC] Make it blatantly clear; mpc5200 device tree is not yet stable
  [POWERPC] Fix broken DMA on non-LPAR pSeries
  [POWERPC] Fix cell's mmio nvram to properly parse device tree
  [POWERPC] Remove bogus sanity check in pci -> OF node code