Add support for importing TPM2 keys with PKCS11 vendor attributes #433

Job	Run time
generic-build-test (ubuntu-18.04, gcc)	7m 15s
coverity-test	0s
coverage-test	8m 0s
fuzzing-test	4m 45s
generic-build-test (ubuntu-18.04, clang)	6m 19s
generic-build-test (ubuntu-20.04, gcc)	6m 58s
generic-build-test (ubuntu-20.04, clang)	6m 1s
generic-build-test (fedora-30, gcc)	7m 29s
generic-build-test (fedora-30, clang)	6m 38s
generic-build-test (opensuse-leap, gcc)	7m 11s
generic-build-test (opensuse-leap, clang)	6m 27s
generic-build-test (ubuntu-22.04, gcc)	44m 50s
	1h 51m 53s

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