Add support for importing TPM2 keys with PKCS11 vendor attributes #435

Job	Run time
generic-build-test (ubuntu-18.04, gcc)	7m 6s
generic-build-test (ubuntu-18.04, clang)	6m 38s
coverage-test	7m 15s
coverity-test	0s
fuzzing-test	4m 24s
generic-build-test (ubuntu-20.04, gcc)	6m 53s
generic-build-test (ubuntu-20.04, clang)	6m 9s
generic-build-test (fedora-30, gcc)	7m 27s
generic-build-test (fedora-30, clang)	6m 42s
generic-build-test (opensuse-leap, gcc)	7m 4s
generic-build-test (opensuse-leap, clang)	6m 20s
generic-build-test (ubuntu-22.04, gcc)	44m 38s
	1h 50m 36s

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