[GIT PULL] Security subsystem update for 4.1

Hi Linus, Highlights for this window: o Improved AVC hashing for SELinux by John Brooks and Stephen Smalley o Addition of an unconfined label to Smack o Smack documentation update o TPM driver updates Please pull. --- The following changes since commit

[GIT PULL] Security subsystem update for 4.1

Hi Linus, Highlights for this window: o Improved AVC hashing for SELinux by John Brooks and Stephen Smalley o Addition of an unconfined label to Smack o Smack documentation update o TPM driver updates Please pull. --- The following changes since commit