ppc64le support

[aklyachkin]

Signed-off-by: Andrey Klyachkin aklyachkin@gmail.com

Description

Support for of-watchdog on Linux/ppc64le. With these just few corrections I was able to compile it on my MacBook and use in functions on ICp/ppc64le.

Motivation and Context

• I have raised an issue to propose this change (required)

openfaas/faas#1257

How Has This Been Tested?

Compiled, created a new function, invoke the function

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have signed-off my commits with git commit -s
• I have added tests to cover my changes.
• All new and existing tests passed.