perf annotate: Allow showing offsets in more than just jump targets

Jesper wanted to see offsets at callq sites when doing some performance
investigation related to retpolines, so save him some time by providing
an 'struct annotation_options' to control where offsets should appear:
just on jump targets? That + call instructions? All?

This puts in place the logic to show the offsets, now we need to wire
this up in the TUI browser (next patch) and on the 'perf annotate --stdio2"
interface, where we need a more general mechanism to setup the
'annotation_options' struct from the command line.

Suggested-by: Jesper Dangaard Brouer <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Martin Liška <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Ravi Bangoria <[email protected]>
Cc: Thomas Richter <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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