tpmtest: disable 2 cases for nonNULL platform auth
tpmtest: disable 2 cases for nonNULL platform auth

Pcr Allocate and RM tests need platform auth, so have to be disabled
while platform auth is not NULL.

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