rename tsa-token to tsa-stamp, add a stamping script #169

Job	Run time
labgrid-pytest (arm, test/arm/multi_v8_efiloader_defconfig.yaml, multi_v8_efiloader_defconfig, de...	1m 51s
labgrid-pytest (sandbox, test/sandbox/sandbox_defconfig.yaml, sandbox_defconfig)	1m 58s
labgrid-pytest (arm, test/arm/multi_v8_efi_defconfig.yaml, multi_v8_efi_defconfig)	1m 51s
labgrid-pytest (arm, test/arm/multi_v8_defconfig.yaml, multi_v8_defconfig, --runxfail)	1m 42s
labgrid-pytest (arm, test/arm/modules32_defconfig.yaml, modules32_defconfig)	1m 34s
labgrid-pytest (riscv, test/riscv/qemu@virt32_defconfig.yaml, virt32_defconfig)	1m 30s
labgrid-pytest (mips, test/mips/qemu-malta64el_defconfig.yaml, qemu-malta64el_defconfig)	1m 19s
labgrid-pytest (sandbox, test/sandbox/allyesconfig.yaml, allyesconfig)	2m 32s
labgrid-pytest (mips, test/mips/qemu-malta_defconfig.yaml, qemu-malta_defconfig)	1m 20s
labgrid-pytest (arm, test/arm/*@multi_v7_defconfig.yaml, multi_v7_defconfig)	2m 22s
labgrid-pytest (openrisc, test/openrisc/generic_defconfig.yaml, generic_defconfig)	1m 17s
labgrid-pytest (riscv, test/riscv/qemu-virt64@rv64i_defconfig.yaml, rv64i_defconfig)	1m 30s
labgrid-pytest (x86, test/x86/efi_defconfig.yaml, efi_defconfig)	2m 1s
labgrid-pytest (powerpc, test/powerpc/qemu-ppce500_defconfig.yaml, qemu-ppce500_defconfig)	1m 19s
labgrid-pytest (arm, test/arm/*@multi_v5_v6_defconfig.yaml, multi_v5_v6_defconfig)	1m 49s
	25m 55s

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