🚚 Fix atomic spin lock & merge mock with util (#41) #116

Job	Run time
deployment_check / cortex-m0 / deploy	1m 21s
deployment_check / cortex-m0plus / deploy	1m 19s
deployment_check / cortex-m3 / deploy	1m 14s
deployment_check / cortex-m1 / deploy	1m 21s
deployment_check / cortex-m4 / deploy	1m 16s
deployment_check / cortex-m4f / deploy	1m 15s
library_check / docs / docs	10s
deployment_check / linux_x86_64_clang / deploy	7m 14s
library_check / lint / lint	1m 7s
library_check / tests / run_tests (ubuntu-22.04, sudo apt remove clang-tidy && wget https://apt.llvm.org/llvm.sh && chmod...	2m 16s
library_check / tests / run_tests (macos-12, brew install llvm@17 && sudo ln -s $(brew --prefix llvm)/bin/clang-tidy /usr...	2m 36s
	21m 9s

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