utils/generate-cyclonedx: fix wrong example usage

The real file is utils/generate-cyclonedx,
not utils/generate-cyclonedx.py.

Signed-off-by: Thomas Devoogdt <thomas.devoogdt@barco.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

utils/generate-cyclonedx

@@ -5,7 +5,7 @@
 # to CycloneDX format.
 #
 # Example usage:
-# > make show-info | utils/generate-cyclonedx.py | jq '.'
+# > make show-info | utils/generate-cyclonedx | jq '.'
 
 
 import argparse
@@ -270,7 +270,7 @@ def br2_parse_deps_recursively(ref, show_info_dict, virtual=False, deps=[]):
 def main():
     parser = argparse.ArgumentParser(
             description='''Create a CycloneDX SBoM for the Buildroot configuration.
-                Example usage: make show-info | utils/generate-cyclonedx.py | jq > sbom.json
+                Example usage: make show-info | utils/generate-cyclonedx | jq > sbom.json
             '''
         )
     parser.add_argument("-i", "--in-file", nargs="?", type=argparse.FileType("r"),