Enable bitcode by default for iOS and tvOS builds

Xcode/SDL/SDL.xcodeproj/project.pbxproj

@@ -9379,6 +9379,7 @@
 				DYLIB_COMPATIBILITY_VERSION = 1.0.0;
 				DYLIB_CURRENT_VERSION = 2302.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_BITCODE = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_ALTIVEC_EXTENSIONS = YES;
 				GCC_AUTO_VECTORIZATION = YES;
@@ -9464,6 +9465,7 @@
 				DYLIB_COMPATIBILITY_VERSION = 1.0.0;
 				DYLIB_CURRENT_VERSION = 2302.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_BITCODE = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_ALTIVEC_EXTENSIONS = YES;