RFC: Add clang-format style for project #2072

Job	Run time
scanbuild	6m 48s
build-test (ubuntu-20.04, gcc)	4m 36s
test-mbedtls (ubuntu-20.04)	2m 54s
build-test (ubuntu-20.04, clang)	4m 26s
test-tcti-config	14m 28s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 47s
build-test (fedora-32, gcc)	4m 44s
build-test (fedora-32, clang)	5m 10s
build-test (opensuse-leap, gcc)	4m 43s
coverity-test	0s
build-test (opensuse-leap, clang)	4m 42s
build-test (ubuntu-22.04, gcc)	4m 30s
build-test (ubuntu-22.04, clang)	4m 53s
test-coverage	8m 33s
build-test (alpine-3.15, gcc)	4m 7s
build-test (alpine-3.15, clang)	4m 54s
test-fuzz	2m 34s
test-no-crypto-build	1m 20s
	1h 26m 9s

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