Add HAVE_CC_STACKPROTECTOR to powerpc. This is copied from ARM.

Christophe Leroy (2):
  powerpc: initial stack protector (-fstack-protector) support
  powerpc/32: stack protector: change the canary value per task

 arch/powerpc/Kconfig                      |  1 +
 arch/powerpc/include/asm/stackprotector.h | 40 +++++++++++++++++++++++++++++++
 arch/powerpc/kernel/Makefile              |  4 ++++
 arch/powerpc/kernel/asm-offsets.c         |  3 +++
 arch/powerpc/kernel/entry_32.S            |  6 ++++-
 arch/powerpc/kernel/process.c             |  6 +++++
 6 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 arch/powerpc/include/asm/stackprotector.h

-- 
2.10.1