Updated release notes

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

README.txt

@@ -62,3 +62,4 @@ v1.0.0 -> January 2019. This version first implements the architectural split de
             New tools: config library, telnet server, ...
             A lot of bugfixes and a proper automated Continuous Integration process validates contributions.
 v1.0.1 -> February 2019: Bug fix for the UE L1 simulator.
+v1.0.2 -> February 2019: Full OAI support for 3.13.1 UHD