support/scripts/cve.py: fix 'useful' typo

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit da0d6d5834b64df84a4e713d971c4c7d52bf06e7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/cve.py

@@ -120,7 +120,7 @@ class CVE:
     def parse_node(self, node):
         """
         Parse the node inside the configurations section to extract the
-        cpe information usefull to know if a product is affected by
+        cpe information useful to know if a product is affected by
         the CVE. Actually only the product name and the version
         descriptor are needed, but we also provide the vendor name.
         """