[unwinder] Including all 64bit platforms as set by kRequiresCodeRange

Change-Id: I2de7128210313e40d3c310edd72658180f1ee110
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1968165Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#65485}

src/api/api.cc

@@ -8917,9 +8917,8 @@ UnwindState Isolate::GetUnwindState() {
 }
 
 size_t Isolate::CopyCodePages(size_t capacity, MemoryRange* code_pages_out) {
-#if !defined(V8_TARGET_ARCH_X64) && !defined(V8_TARGET_ARCH_ARM64) && \
-    !defined(V8_TARGET_ARCH_ARM)
-  // Not implemented on all platforms.
+#if !defined(V8_TARGET_ARCH_64_BIT) && !defined(V8_TARGET_ARCH_ARM)
+  // Not implemented on other platforms.
   UNREACHABLE();
 #else