scripts: typos in event_dump.py

%s/even spies/event spies/
%s/EFL/ELF/

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/scripts/event_dump.py b/scripts/event_dump.py
index 24dfe2b..61bb3a8 100755
--- a/scripts/event_dump.py
+++ b/scripts/event_dump.py
@@ -107,7 +107,7 @@
     Args:
         argv (list of str): List of program arguments, excluding arvg[0]
     """
-    epilog = 'Show a list of even spies in a U-Boot EFL file'
+    epilog = 'Show a list of event spies in a U-Boot ELF file'
     parser = ArgumentParser(epilog=epilog)
     parser.add_argument('elf', type=str, help='ELF file to decode')
     parser.add_argument('-e', '--endian', type=str, default='auto',