tpm2_getekcertificate: Provide option -u for certs in NV ram. #169

Job	Run time
coverity-test	0s
coverage-test	6m 13s
master-tss-build-test (gcc)	5m 2s
build-test (ubuntu-20.04, gcc)	5m 24s
master-tss-build-test (clang)	4m 49s
build-test (ubuntu-20.04, clang)	5m 8s
build-test (fedora-30, gcc)	5m 23s
build-test (fedora-30, clang)	5m 24s
build-test (opensuse-leap, gcc)	5m 23s
build-test (opensuse-leap, clang)	5m 16s
build-test (fedora-32, gcc)	5m 22s
build-test (fedora-32, clang)	5m 10s
build-test (ubuntu-22.04, gcc)	5m 23s
build-test (ubuntu-22.04, clang)	5m 24s
	1h 9m 21s

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