Add skiboot-5.4.2 release notes

Signed-off-by: Stewart Smith <[email protected]>

Author: stewartsmith

doc/release-notes/skiboot-5.4.2.rst

@@ -0,0 +1,15 @@
+.. _skiboot-5.4.2:
+
+=============
+skiboot-5.4.2
+=============
+
+skiboot-5.4.2 was released on Friday December 2nd 2016. It replaces
+:ref:`skiboot-5.4.1` as the current stable release.
+
+Over :ref:`skiboot-5.4.1`, we have two bug fixes exclusively aimed at machines
+with TPMs:
+
+- i2c: Add nuvoton TPM quirk, disallowing i2cdetect as it can hard lock the TPM
+- p8-i2c improve I2C reset code path, solves getting stuck resetting i2c engine
+