support/scripts/pkg-stats: fix flake8 E741 ambiguous variable name

Signed-off-by: Matthew Weber <matthew.weber@collins.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit c2ebfe7d78f999ff2201a4d9b59cc8c0efe85218)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/pkg-stats

@@ -375,9 +375,9 @@ def package_init_make_info():
     variable_list = [x[5:] for x in variable_list if x.startswith("HOST_")] + \
                     [x for x in variable_list if not x.startswith("HOST_")]
 
-    for l in variable_list:
+    for item in variable_list:
         # Get variable name and value
-        pkgvar, value = l.split("=")
+        pkgvar, value = item.split("=")
 
         # Strip the suffix according to the variable
         if pkgvar.endswith("_LICENSE"):