skiboot v6.0.22 release notes

Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>

doc/release-notes/skiboot-6.0.22.rst

@@ -0,0 +1,21 @@
+.. _skiboot-6.0.22:
+
+==============
+skiboot-6.0.22
+==============
+
+skiboot 6.0.22 was released on Friday March 27th, 2020. It replaces
+:ref:`skiboot-6.0.21` as the current stable release in the 6.0.x series.
+
+It is recommended that 6.0.22 be used instead of any previous 6.0.x version
+due to the bug fixes it contains.
+
+Bug fixes included in this release are:
+
+- errorlog: Increase the severity of abnormal reboot events
+
+- eSEL: Make sure PANIC logs are sent to BMC before calling assert
+
+- core/ipmi: Fix use-after-free
+
+- ipmi: ensure forward progress on ipmi_queue_msg_sync()