fixup! gdb: New component

I tried to use this gdb in a software release installed by slapos-sr-testing (which perform some extra checks that we only do in slapos-sr-testing at the moment) and it complains that:

```
======================================================================
ERROR: setUpModule (test)
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Traceback (most recent call last):
  File "/srv/slapgrid/slappart9/srv/slapos/soft/24930952d96110d7e0142b49eba918a8/parts/slapos.core-repository/slapos/testing/testcase.py", line 168, in setUpModule
    installSoftwareUrlList(cls, [software_url], debug=debug)
  File "/srv/slapgrid/slappart9/srv/slapos/soft/24930952d96110d7e0142b49eba918a8/parts/slapos.core-repository/slapos/testing/testcase.py", line 378, in installSoftwareUrlList
    checkSoftware(cls.slap, software_url)
  File "/srv/slapgrid/slappart9/srv/slapos/soft/24930952d96110d7e0142b49eba918a8/parts/slapos.core-repository/slapos/testing/testcase.py", line 336, in checkSo...