Fix typo in python script method name

Change 'tranlation' -> 'translation' in the name of a
method in `scripts/generate_ssl_debug_headers.py`.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/scripts/generate_ssl_debug_helpers.py b/scripts/generate_ssl_debug_helpers.py
index c148726..98e1c48 100755
--- a/scripts/generate_ssl_debug_helpers.py
+++ b/scripts/generate_ssl_debug_helpers.py
@@ -188,7 +188,7 @@
     def span(self):
         return self._span
 
-    def generate_tranlation_function(self):
+    def generate_translation_function(self):
         """
             Generate function for translating value to string
         """
@@ -287,7 +287,7 @@
         if start in definitions:
             continue
         if isinstance(instance, EnumDefinition):
-            definition = instance.generate_tranlation_function()
+            definition = instance.generate_translation_function()
         else:
             definition = instance
         definitions[start] = definition