Update expected_options.py for --install-wasmkit

Author: MaxDesiatov

utils/build_swift/tests/expected_options.py

@@ -119,6 +119,7 @@
     'install_swift_testing_macros': False,
     'install_swift_driver': False,
     'install_swiftdocc': False,
+    'install_wasmkit': False,
     'swiftsyntax_verify_generated_files': False,
     'swiftsyntax_enable_rawsyntax_validation': False,
     'swiftsyntax_enable_test_fuzzing': False,
@@ -684,6 +685,7 @@ class BuildScriptImplOption(_BaseOption):
     EnableOption('--install-swiftformat', dest='install_swiftformat'),
     EnableOption('--install-skstresstester', dest='install_skstresstester'),
     EnableOption('--install-swiftdocc', dest='install_swiftdocc'),
+    EnableOption('--install-wasmkit', dest='install_wasmkit'),
     EnableOption('--toolchain-benchmarks', dest='build_toolchainbenchmarks'),
     EnableOption('--swift-inspect', dest='build_swift_inspect'),
     EnableOption('--tsan-libdispatch-test'),