move all third party stuff into third_party/ (#26853)

* mv fastcluster

* move msm_kgsl.h

* camerad include

* update path

* mv pyextra

* fix tici build

* add acados_template to release build

Co-authored-by: Comma Device <device@comma.ai>
old-commit-hash: cd8e03d53ed210aec46a2ff728cb4a830314a21a

third_party/cluster/SConscript

@@ -0,0 +1,8 @@
+Import('env')
+
+fc = env.SharedLibrary("fastcluster", "fastcluster.cpp")
+
+# TODO: how do I gate on test
+#env.Program("test", ["test.cpp"], LIBS=[fc])
+#valgrind --leak-check=full ./test
+