support/scripts/pkg-stats: fix the status for packages found by guess

The pkg-stats scripts tries to match packages against
release-monitoring.org in two ways:

- First by using the "Buildroot" distribution registered on
  release-monitoring.org, in which we have added a lot of mappings
  between Buildroot package names and release-monitoring.org package
  names. If there is a match using this distribution, the package
  status is RM_API_STATUS_FOUND_BY_DISTRO, which means that the
  resulting HTML has a "found by distro" statement.

- Then, if the first solution didn't work, by using the pattern
  matching, as done in the check_package_get_latest_version_by_guess()
  function.

However, there is a bug in this later case: it sets the package status
to RM_API_STATUS_FOUND_BY_DISTRO as well, while it should have been
RM_API_STATUS_FOUND_BY_PATTERN. Due to this bug, in the resulting HTML
file from a pkg-stats run, all packages are marked as "found by
distro" even the ones that are "found by guess".

This commit fixes that by setting the correct package status.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 9602fd94e7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/pkg-stats

@@ -512,7 +512,7 @@ async def check_package_get_latest_version_by_guess(session, pkg, retry=True):
 
             if len(projects) > 0:
                 check_package_latest_version_set_status(pkg,
-                                                        RM_API_STATUS_FOUND_BY_DISTRO,
+                                                        RM_API_STATUS_FOUND_BY_PATTERN,
                                                         projects[0]['version'],
                                                         projects[0]['id'])
                 return True