Define missing static constexpr variables

This will prevent link errors when undefined symbols when compiling at
-O0.  Normally, this isn't a problem, but causes failure when compiling
at -O0 to maximize debugability

Change-Id: Iafe187b6b9344fead1bbc73004e376fad821756b
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
3 files changed