Fix small typo in ota script options

"enable_zucchin" was used instead of "enable_zucchini"

Test: th
Change-Id: Iaccb07bc6913a28c021fe84d3faeb59504ea1fbb
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 43c39fb..6b97020 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -1475,7 +1475,7 @@
                                  "enable_vabc_xor=",
                                  "force_minor_version=",
                                  "compressor_types=",
-                                 "enable_zucchin=",
+                                 "enable_zucchini=",
                                  "enable_lz4diff=",
                                  "vabc_compression_param=",
                              ], extra_option_handler=option_handler)