Merge branch 'topic/uek-4.1/dtrace' up to bug 26137220 into uek/uek-next

Merge branch 'topic/uek-4.1/dtrace' up to bug 26137220 into uek/uek-next

* topic/uek-4.1/dtrace:
  ctf: prevent modules on the dedup blacklist from sharing any types at all
  ctf: emit bitfields in in-memory order
  ctf: bitfield support
  ctf: emit file-scope static variables
  ctf: speed up the dwarf2ctf duplicate detector some more
  ctf: strdup() -> xstrdup()
  ctf: speed up the dwarf2ctf duplicate detector
  ctf: add module parameter to simple_dwfl_new() and adjust both callers
  ctf: fix the size of int and avoid duplicating it
  ctf: allow overriding of DIE attributes: use it for parent bias
  DTrace tcp/udp provider probes
  dtrace: define DTRACE_PROBE_ENABLED to 0 when !CONFIG_DTRACE
  dtrace: ensure limit is enforced even when pcs is NULL
  dtrace: make x86_64 FBT return probe detection less restrictive
  dtrace: support passing offset as arg0 to FBT return probes
  dtrace: make FBT entry probe detection less restrictive on x86_64
  dtrace: adjust FBT entry probe dection for OL7