[MIPS] Add remaining parts for building tests for MIPS

tests/srpc/nacl.scons

Index: tests/srpc/nacl.scons
diff --git a/tests/srpc/nacl.scons b/tests/srpc/nacl.scons
index 169b7ff33b46f42ada3a43db3c19e331f05b1aed..95de3d909686dbd560e7bdd72b90cdb3736fb62f 100644
--- a/tests/srpc/nacl.scons
+++ b/tests/srpc/nacl.scons
@@ -80,9 +80,14 @@ node = env.SelUniversalTest(
     sel_universal_flags=['--command_file', env.File('srpc_basic_test.stdin')],
     stdout_golden=env.File('srpc_basic_test.stdout'),
     )
+
+# TODO(petarj): Test hangs indefinite on qemu. Enable test when fixed.
+is_broken=(env.Bit('build_mips32') and env.UsingEmulator())
+
 env.AddNodeToTestSuite(node,
                        ['sel_ldr_tests', 'small_tests'],
-                       'run_srpc_basic_test')
+                       'run_srpc_basic_test',
+                       is_broken=is_broken)
 
 node = env.SelUniversalTest(
     'srpc_bad_service.out',
@@ -91,4 +96,5 @@ node = env.SelUniversalTest(
     )
 env.AddNodeToTestSuite(node,
                        ['sel_ldr_tests', 'small_tests'],
-                       'run_srpc_bad_service_test')
+                       'run_srpc_bad_service_test',
+                       is_broken=is_broken)