Merge topic '17870-iphone-friendly-cmake'

e8ee8cab97 Xcode: Completely disable code signing for compiler id detection
11da882a12 Apple: Introduce separate system name for iOS, tvOS, and watchOS
36cf44a7a3 Tests: Isolate RunCMake.XcodeProject per-device cases from host arch

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2392