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: cd8e03d53e

third_party/SConscript

@@ -4,3 +4,5 @@ env.Library('json11', ['json11/json11.cpp'], CCFLAGS=env['CCFLAGS'] + ['-Wno-unq
 env.Append(CPPPATH=[Dir('json11')])
 
 env.Library('kaitai', ['kaitai/kaitaistream.cpp'], CPPDEFINES=['KS_STR_ENCODING_NONE'])
+
+SConscript(['cluster/SConscript'])