In minimal images the agent-ptrace test is skipped unless gdb is
installed which explains the difference in test counts. We don't
want a build dependency on gdb and the test isn't critical so just
document the dependency.
(From OE-Core rev: d3f29e6e52367e124e3f543f970038c0332ad3e1)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
3ef8d2175b