Import tpm from kernel 3.10.68.

Steps:
1. Replaced directory kernel/mindspeed/drivers/char/tpm
   with drivers/char/tpm from linux-3.10.68.
   wget https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.10.68.tar.gz.
   tar xvzf linux-3.10.68.tar.gz
   cp -f <3.10.68>/drivers/char/tpm/* drivers/char/tpm

2. Added Unlocked flavor __i2c_transfer to drivers/i2c/i2c-core.c
   and header file include/linux/i2c.h from 3.10.68 which is needed by tpm.

Change-Id: I57a6b20719801e6e43cbdfe5240188a38f90464d
20 files changed