lttng: Add a Binary Callsite aspect to the debug-info analysis

lttng: Add a Binary Callsite aspect to the debug-info analysis

If the binary is not available at analysis time, we can still display
the binary file and offset information, which comes from the trace.

This information is also re-used by the source callsite.

Change-Id: I40993abedf7057fe6b27cb5c9e787f23e2331f13
Signed-off-by: Alexandre Montplaisir <alexmonthy@efficios.com>
Reviewed-on: https://git.eclipse.org/r/60843
Reviewed-by: Hudson CI
Reviewed-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Tested-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>