Exluding provisioner tests for ppc and arm archs as gcc report compiler errors.

 GCC has been fixed but are not yet available.
Taken review comments into consideration.
Corrected format.
Merge pull request #891 from anastasiamac/Bug1378716

Exluding provisioner tests for ppc and arm archs as gcc report compiler ...

...errors.

 GCC has been fixed but are not yet available.