Declare TD MailBox memory in Stage0 #452

Job	Run time
build_attest_all (buildconfigs/key_xor_test_app.sh)	4m 11s
build_attest_all (buildconfigs/oak_client_android_app.sh)	49m 16s
build_attest_all (buildconfigs/oak_containers_agent.sh)	4m 58s
build_attest_all (buildconfigs/oak_containers_kernel.sh)	27m 55s
build_attest_all (buildconfigs/oak_containers_orchestrator.sh)	8m 32s
build_attest_all (buildconfigs/oak_containers_stage1.sh)	5m 57s
build_attest_all (buildconfigs/oak_containers_syslogd.sh)	7m 27s
build_attest_all (buildconfigs/oak_containers_system_image.sh)	13m 49s
build_attest_all (buildconfigs/oak_containers_nvidia_system_image.sh)	15m 35s
build_attest_all (buildconfigs/oak_echo_enclave_app.sh)	4m 16s
build_attest_all (buildconfigs/oak_echo_raw_enclave_app.sh)	4m 6s
build_attest_all (buildconfigs/oak_functions_enclave_app.sh)	4m 33s
build_attest_all (buildconfigs/oak_functions_insecure_enclave_app.sh)	4m 27s
build_attest_all (buildconfigs/oak_orchestrator.sh)	4m 23s
build_attest_all (buildconfigs/oak_restricted_kernel_simple_io_init_rd_wrapper_bin.sh)	17m 17s
build_attest_all (buildconfigs/stage0_bin.sh)	42m 49s
	3h 39m 31s

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