src/os/bsd/vm/os_bsd.cpp

rev 4738 : Clean up PPC defines.

Reorganize PPC defines.  Distinguish PPC, PPC64 and PPC32.
PPC should guard code needed on PPC regardless of word size.
PPC32 and PPC64 should guard code needed in the 64-bit or
the 32-bit port.

*** 203,213 ****
  static char cpu_arch[] = "i386";
  #elif defined(AMD64)
  static char cpu_arch[] = "amd64";
  #elif defined(ARM)
  static char cpu_arch[] = "arm";
! #elif defined(PPC)
  static char cpu_arch[] = "ppc";
  #elif defined(SPARC)
  #  ifdef _LP64
  static char cpu_arch[] = "sparcv9";
  #  else
--- 203,213 ----
  static char cpu_arch[] = "i386";
  #elif defined(AMD64)
  static char cpu_arch[] = "amd64";
  #elif defined(ARM)
  static char cpu_arch[] = "arm";
! #elif defined(PPC32)
  static char cpu_arch[] = "ppc";
  #elif defined(SPARC)
  #  ifdef _LP64
  static char cpu_arch[] = "sparcv9";
  #  else