[K/N] Add option to omit generation of binary when producing framework

`-Xomit-framework-binary` is useful when the user does not care about
generated machine code, but only about its public interface.
Current use-case is for development purposes only: to iterate faster
on ObjCExport. But potentially it can be turned into user-facing feature

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2NativeCompilerArguments.kt

@@ -387,6 +387,9 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xpartial-linkage", description = "Allow unlinked symbols")
     var partialLinkage: Boolean = false
 
+    @Argument(value = "-Xomit-framework-binary", description = "Omit binary when compiling framework")
+    var omitFrameworkBinary: Boolean = false
+
     override fun configureAnalysisFlags(collector: MessageCollector, languageVersion: LanguageVersion): MutableMap<AnalysisFlag<*>, Any> =
         super.configureAnalysisFlags(collector, languageVersion).also {
             val optInList = it[AnalysisFlags.optIn] as List<*>