Bare metal Arm / RISC-V / ELF platform module?

Would it make sense to have a bare-metal platform module in CMake for Arm and/or RISC-V microcontrollers? It seems like there should be a platform module that configures the CMAKE_EXECUTABLE_SUFFIX as .elf appropriately. Would it be possible to add something like this so that the executable suffix is set appropriately for these kinds of projects?

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