fix tvOS bitcode setting when using Carthage with --no-build

CryptoSwift.xcodeproj/project.pbxproj

@@ -817,6 +817,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
+				BITCODE_GENERATION_MODE = bitcode;
 				CLANG_ENABLE_MODULES = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;