Add driver for Infineon TPMs connected to an I2C bus

The driver has been ported from Coreboot:
https://chromium.googlesource.com/chromiumos/third_party/coreboot/+/chromeos-2013.04/src/drivers/i2c/tpm
d5ab28b5d73c03adcdc0fd4e530b39a7a8989dae

Change-Id: I3600a927496e0ad72f95ab02fe1a2901696c04ee
3 files changed