Add support for importing TPM2 keys with PKCS11 vendor attributes #430

Job	Run time
coverage-test	8m 24s
fuzzing-test	4m 26s
generic-build-test (ubuntu-18.04, gcc)	7m 10s
coverity-test	0s
generic-build-test (ubuntu-18.04, clang)	6m 35s
generic-build-test (ubuntu-20.04, gcc)	6m 57s
generic-build-test (ubuntu-20.04, clang)	9m 36s
generic-build-test (fedora-30, gcc)	7m 13s
generic-build-test (fedora-30, clang)	6m 37s
generic-build-test (opensuse-leap, gcc)	7m 15s
generic-build-test (opensuse-leap, clang)	6m 22s
generic-build-test (ubuntu-22.04, gcc)	44m 29s
	1h 55m 4s

Provide feedback