Merge changes Id2b1822c,Ia9a563a1,I11f65d49,If9318a51,I46801b56, ... into integration

* changes:
  drivers: renesas: Move plat common sources
  plat: renesas: Move headers and assembly files to common folder
  plat: renesas: rcar: include: Code cleanup
  plat: renesas:rcar: Fix checkpatch warnings
  plat: renesas: rcar: Fix checkpatch warnings
  plat: renesas:rcar: Code cleanup
  plat: renesas: rcar: Fix coding style