mv root dirs into nested openpilot (#38219)

openpilot/common/SConscript

@@ -0,0 +1,23 @@
+Import('env', 'envCython')
+
+common_libs = [
+  'params.cc',
+  'swaglog.cc',
+  'util.cc',
+  'ratekeeper.cc',
+]
+
+_common = env.Library('common', common_libs, LIBS="json11")
+Export('_common')
+
+if GetOption('extras'):
+  env.Program('tests/test_common',
+              ['tests/test_runner.cc', 'tests/test_params.cc', 'tests/test_util.cc', 'tests/test_swaglog.cc'],
+              LIBS=[_common, 'json11', 'zmq', 'pthread'])
+
+# Cython bindings
+params_python = envCython.Program('params_pyx.so', 'params_pyx.pyx', LIBS=envCython['LIBS'] + [_common, 'zmq', 'json11'])
+
+common_python = [params_python]
+
+Export('common_python')