libipt, ild, insn: merge instruction decode and classification

Instruction decode provides a fine-grain classification in struct pt_ild that
is translated into a coarser instruction class and into a newly introduced
struct pt_insn_ext.

Merge this post-processing step into instruction decode.

Change-Id: I86d776937ed5dd83ea2fe9bb20992d27266619c3
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
4 files changed