clc_object was overloaded, containing SPIR-V binary and metadata,
and it would only sometimes contain metadata (after linking). Split
it into a more generic clc_binary class which holds some type of data
(the kind depends on where it came from), and clc_metadata which can
be independently parsed on compiled or linked data.
Rename a couple entrypoints to be more explicit about what they're
actually transforming (c_to_spirv, link_spirv, spirv_to_dxil).
Add a logger to SPIR-V binary parsing so it can report errors on app-
provided SPIR-V.
Re-order helper function parameters to be more consistent (out params last).
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10322>