Moved qemu to the toolchain

buildSrc/plugins/src/main/groovy/org/jetbrains/kotlin/KonanTest.groovy

@@ -278,17 +278,18 @@ fun handleExceptionContinuation(x: (Throwable) -> Unit): Continuation<Any?> = ob
 
     List<String> executionCommandLine(String exe) {
         def properties = project.rootProject.konanProperties
+        def targetToolchain = TargetPropertiesKt.hostTargetString(properties, "targetToolchain", target)
+        def absoluteTargetToolchain = "$dependenciesDir/$targetToolchain"
         if (target == KonanTarget.WASM32) {
-            def targetToolchain = TargetPropertiesKt.hostTargetString(properties, "targetToolchain", target)
-            def absoluteTargetToolchain = "$dependenciesDir/$targetToolchain"
             def d8 = "$absoluteTargetToolchain/bin/d8"
             def launcherJs = "${exe}.js"
             return [d8, '--expose-wasm', launcherJs, '--', exe]
         } else if (target == KonanTarget.MIPS || target == KonanTarget.MIPSEL) {
             def targetSysroot = TargetPropertiesKt.targetString(properties, "targetSysRoot", target)
             def absoluteTargetSysroot = "$dependenciesDir/$targetSysroot"
-            def qemu = "$absoluteTargetSysroot/bin/qemu-mips"
+            def qemu = target == KonanTarget.MIPS ? "qemu-mips" : "qemu-mipsel"
-            return [qemu, "-L", absoluteTargetSysroot, exe]
+            def absoluteQemu = "$absoluteTargetToolchain/bin/$qemu"
+            return [absoluteQemu, "-L", absoluteTargetSysroot, exe]
         } else {
             return [exe]
         }