[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl b/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl
new file mode 100644
index 0000000..470def0
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl
@@ -0,0 +1,22 @@
+What:           /sys/devices/system/ibm_rtl/state
+Date:           Sep 2010
+KernelVersion:  2.6.37
+Contact:        Vernon Mauery <vernux@us.ibm.com>
+Description:    The state file allows a means by which to change in and
+                out of Premium Real-Time Mode (PRTM), as well as the
+                ability to query the current state.
+                    0 => PRTM off
+                    1 => PRTM enabled
+Users:          The ibm-prtm userspace daemon uses this interface.
+
+
+What:           /sys/devices/system/ibm_rtl/version
+Date:           Sep 2010
+KernelVersion:  2.6.37
+Contact:        Vernon Mauery <vernux@us.ibm.com>
+Description:    The version file provides a means by which to query
+                the RTL table version that lives in the Extended
+                BIOS Data Area (EBDA).
+Users:          The ibm-prtm userspace daemon uses this interface.
+
+