support/scripts/graph-build-time: fix 'auxiliary' typo

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 9c9aa7ffba7336086c07fd79a0e9c0b2873605dc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/graph-build-time

@@ -311,7 +311,7 @@ def read_data(input_file):
     reader = csv.reader(input_file, delimiter=':')
     pkgs = []
 
-    # Auxilliary function to find a package by name in the list.
+    # Auxiliary function to find a package by name in the list.
     def getpkg(name):
         for p in pkgs:
             if p.name == name: