Comment 4 for bug 1460919

Implemented in 4.4 kernel
73061da intel_th: Check for NULL instead of ERR_PTR
ed39268 intel_th: Fix integer mismatch warnings
14cdbf0 intel_th: Add PTI output driver
ba82664 intel_th: Add Memory Storage Unit driver
f04e449 intel_th: Add Software Trace Hub driver
b27a6a3 intel_th: Add Global Trace Hub driver
2b0b16d intel_th: Add pci glue layer for Intel(R) Trace Hub
39f4034 intel_th: Add driver infrastructure for Intel(R) Trace Hub devices
1c09057 stm class: Select configfs
0df771d stm class: Mark src::link __rcu
e3e5a3d stm class: stm_console: Add kernel-console-over-stm driver
2c41538 stm class: dummy_stm: Add dummy driver for testing stm class
7bd1d40 stm class: Introduce an abstraction for System Trace Module devices"