Merge pull request #179 in SW_PON/linux from...

Merge pull request #179 in SW_PON/linux from FALCONSW-457-make-pon-ethernet-driver-work-dp to xrx500

* commit '61cfeea324200f8a1e35956cdd2053f3b697a768':
  replace pr_xx with dev_xxx, replace panic with WARN_ON
  remove leftover macros
  change info to debug
  Fix warnings
  Reove cqm enq delay feature, add cpu buffer free count, CPU buffer return list from CMA
  fix random crash issue because of kzalloc wrong size
  add qos_mib proc file and remove debugging code in ethernet driver
  remove wrong checkin the debug code in ethernet driver for pon
  remove wrong checkin the debug code in ethernet driver for pon
  workaround cpu path enqueue fail issue because of HW bug
  support gpon pmac requirement in datapath