tpm: TPM2 support tpm_get_timeouts()

This patch adds TPM2 support tpm_get_timeouts().

[jarkko.sakkinen: implemented tpm2_get_timeouts() based on the Wills
 original patch.]

Signed-off-by: Will Arthur <will.c.arthur@intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
tpm: add copyright statements

Added Intel copyright statements to tpm-interface.c and tpm-sysfs.c

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
tpm: TPM 2.0 CRB Interface

This patch adds a driver for TPM security chips that are compliant
with TCG CRB 2.0 TPM specification.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>