wflinfo: Split out flags struct
wflinfo: Split out flags struct

This is groundwork for adding a json interface to wflinfo.

v2: - remove extra return statement (Frank)
    - rename flags to context_flags (Chad)

Signed-off-by: Chad Versace <a557f7f75bf28dc19ac99107f5cc7cd6b3fbdb1a@intel.com>

chadversary/waffle,dcbaker/waffle,waffle-gl/waffle,chadversary/waffle,waffle-gl/waffle,dcbaker/waffle,dcbaker/waffle,waffle-gl/waffle,fjhenigman/waffle,waffle-gl/waffle,fjhenigman/waffle,chadversary/waffle,fjhenigman/waffle