kernelland_emu: Add some stub team functions.

KPath was going to need these before I tweaked the emu version to
not need them...

src/tests/add-ons/kernel/kernelland_emu/Jamfile

@@ -13,6 +13,7 @@ SharedLibrary libkernelland_emu.so :
 	module.cpp
 	slab.cpp
 	smp.cpp
+	team.cpp
 	vm.cpp
 
 	list.cpp

src/tests/add-ons/kernel/kernelland_emu/team.cpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT license.
+ */
+
+#include <KernelExport.h>
+
+#include <team.h>
+
+
+extern "C" team_id
+team_get_kernel_team_id(void)
+{
+	return 0;
+}
+
+
+extern "C" team_id
+team_get_current_team_id(void)
+{
+	return 0;
+}