A miminal hack to parse the new tracepoint format and invent new "ring
id's" based on engine class and instance.

v2:
 * Make it a bit more future proof. (Lionel, Chris)
 * Some assorted fixups to show forgotten engines.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>