[K/N] Enable dynamic driver for klib output by default

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanDriver.kt

@@ -62,7 +62,7 @@ class KonanDriver(val project: Project, val environment: KotlinCoreEnvironment,
             }
         }
         // Dynamic driver is WIP, so it might not support all possible configurations.
-        return if (DynamicCompilerDriver.supportsConfig()) {
+        return if (DynamicCompilerDriver.supportsConfig(config)) {
             DynamicCompilerDriver()
         } else {
             StaticCompilerDriver()

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/driver/DynamicCompilerDriver.kt

@@ -18,9 +18,8 @@ import org.jetbrains.kotlin.konan.util.usingNativeMemoryAllocator
 internal class DynamicCompilerDriver : CompilerDriver() {
 
     companion object {
-        // Will become non-trivial in the future.
-        fun supportsConfig(): Boolean =
-                false
+        fun supportsConfig(config: KonanConfig): Boolean =
+                config.produce == CompilerOutputKind.LIBRARY
     }
 
     override fun run(config: KonanConfig, environment: KotlinCoreEnvironment) {