Include libLTO.dylib/libLTO.so in Swift toolchains (#39611)

Author: kubamracek

utils/build-presets.ini

@@ -18,7 +18,7 @@ swift-install-components=back-deployment;compiler;clang-builtin-headers;stdlib;s
 
 [preset: mixin_buildbot_install_components_with_clang]
 swift-install-components=back-deployment;compiler;clang-resource-dir-symlink;stdlib;sdk-overlay;parser-lib;toolchain-tools;license;sourcekit-xpc-service;swift-remote-mirror;swift-remote-mirror-headers
-llvm-install-components=llvm-cov;llvm-profdata;IndexStore;clang;clang-resource-headers;compiler-rt;clangd;dsymutil
+llvm-install-components=llvm-cov;llvm-profdata;IndexStore;clang;clang-resource-headers;compiler-rt;clangd;dsymutil;LTO
 
 [preset: mixin_buildbot_trunk_base]
 # Build standard library and SDK overlay for iOS device and simulator.
@@ -789,7 +789,7 @@ no-swift-stdlib-assertions
 #===------------------------------------------------------------------------===#
 [preset: mixin_linux_install_components_with_clang]
 swift-install-components=autolink-driver;compiler;clang-resource-dir-symlink;stdlib;swift-remote-mirror;sdk-overlay;parser-lib;toolchain-tools;license;sourcekit-inproc
-llvm-install-components=llvm-cov;llvm-profdata;IndexStore;clang;clang-resource-headers;compiler-rt;clangd;lld
+llvm-install-components=llvm-cov;llvm-profdata;IndexStore;clang;clang-resource-headers;compiler-rt;clangd;lld;LTO
 
 [preset: mixin_linux_installation]
 mixin-preset=