Fapi: Introduce conditional undefine in platform certificate test
Fapi: Introduce conditional undefine in platform certificate test

In case the memory region is already defined before test execution,
do not delete the memory region in clean up.

Signed-off-by: Christian Plappert <b3f20f5332b04b0678ce3c663d8f758ced9252c1@sit.fraunhofer.de>

01org/tpm2-tss,01org/TPM2.0-TSS,01org/TPM2.0-TSS,01org/tpm2-tss,01org/tpm2-tss,01org/TPM2.0-TSS,tpm2-software/tpm2-tss,tpm2-software/tpm2-tss,01org/TPM2.0-TSS,tpm2-software/tpm2-tss