Discovery kit for IoT node with STM32U5 series https://www.st.com/en/evaluation-tools/B-U585I-IOT02A.html
GNUARM/ARMCLANG/IARARM compilation is available for this target. and build the selected configuration as follow.
> mkdir build && cd build
> cmake .. -DTFM_PLATFORM=stm/b_u585i_iot02a -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -G"Unix Makefiles"
> cmake --build ./ -- install
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