am 07a58f8f: Merge "Nothing uses ARCH_ARM_HAVE_CLZ or ARCH_ARM_HAVE_FFS."

# Via Elliott Hughes (1) and Gerrit Code Review (1)
* commit '07a58f8fef9ba3ce7454771049522e3fd75f4f6c':
  Nothing uses ARCH_ARM_HAVE_CLZ or ARCH_ARM_HAVE_FFS.