[CMake] Normalize boolean spelling for lit.site.cfg comparisons

lit.site.cfg compares various variables to exactly "TRUE". Make sure to
normalize them all so this comparison actually works.

Author: bnbarham

test/CMakeLists.txt

@@ -182,6 +182,14 @@ normalize_boolean_spelling(SWIFT_ENABLE_SOURCEKIT_TESTS)
 normalize_boolean_spelling(SWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING)
 normalize_boolean_spelling(SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY)
 normalize_boolean_spelling(SWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED)
+normalize_boolean_spelling(SWIFT_ENABLE_MACCATALYST)
+normalize_boolean_spelling(SWIFT_RUN_TESTS_WITH_HOST_COMPILER)
+normalize_boolean_spelling(SWIFT_RUNTIME_ENABLE_LEAK_CHECKER)
+normalize_boolean_spelling(SWIFT_OPTIMIZED)
+normalize_boolean_spelling(SWIFT_STDLIB_SINGLE_THREADED_RUNTIME)
+normalize_boolean_spelling(SWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS)
+normalize_boolean_spelling(SWIFT_HAVE_LIBXML2)
+normalize_boolean_spelling(SWIFT_INCLUDE_TOOLS)
 is_build_type_optimized("${SWIFT_STDLIB_BUILD_TYPE}" SWIFT_OPTIMIZED)
 
 set(profdata_merge_worker