chore: make iOS glog script compatible with tvOS (#49539)

Summary:
This upstreams a change from [RNTV](https://github.com/react-native-tvos/react-native-tvos/) to allow the glog prepare script to work on both iOS and tvOS.

## Changelog:

[Internal][Changed] make iOS glog script compatible with tvOS

Pull Request resolved: https://github.com/facebook/react-native/pull/49539

Test Plan:
- This change works well on the TV repo
- CI should pass, and iOS compilation and operation should be unchanged

Reviewed By: cortinico

Differential Revision: D69928586

Pulled By: cipolleschi

fbshipit-source-id: b5fec438151e659e98834a83effbc7e166df6aa5

packages/react-native/scripts/ios-configure-glog.sh

@@ -70,6 +70,15 @@ cat << EOF >> src/config.h
 #include <Availability.h>
 #endif
 
+/* Special configuration for AppleTVOS */
+#if TARGET_OS_TV
+#undef HAVE_SYSCALL_H
+#undef HAVE_SYS_SYSCALL_H
+#undef OS_MACOSX
+/* NO_THREADS needed right now for Xcode 16 */
+#define NO_THREADS
+#endif
+
 /* Special configuration for ucontext */
 #undef HAVE_UCONTEXT_H
 #undef PC_FROM_UCONTEXT