[PATCH v5 2/2] driver: add PPI support in tpm driver

From: Xiaoyan Zhang The Physical Presence Interface enables the OS and the BIOS to cooperate and provides a simple and straightforward platform user experience for administering the TPM without sacrificing security. V2: separate the patch out in a separate source file, add #ifdef

[PATCH v5 2/2] driver: add PPI support in tpm driver

From: Xiaoyan Zhang xiaoyan.zh...@intel.com The Physical Presence Interface enables the OS and the BIOS to cooperate and provides a simple and straightforward platform user experience for administering the TPM without sacrificing security. V2: separate the patch out in a separate source file,