Add missing link to issues tracker in readme file

Change-Id: I69cb86be54bf84a3e42a498382f373b193737d8a
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
diff --git a/readme.rst b/readme.rst
index 667d64b..17297de 100644
--- a/readme.rst
+++ b/readme.rst
@@ -137,8 +137,8 @@
 
 Development discussion takes place on the same channel as for TF-A, i.e. the
 ``#trusted-firmware-a`` channel on the Freenode IRC network. This is not an
-official support channel.  If you have an issue to raise, please use the issues
-tracker <TODO: insert link>.
+official support channel.  If you have an issue to raise, please use the
+`issues tracker`_.
 
 --------------
 
@@ -175,3 +175,5 @@
 .. _Firmware update: https://github.com/ARM-software/arm-trusted-firmware/blob/master/docs/firmware-update.rst
 .. _EL3 payload: https://github.com/ARM-software/arm-trusted-firmware/blob/master/docs/user-guide.rst#el3-payloads-alternative-boot-flow
 .. _Secure partition: https://github.com/ARM-software/arm-trusted-firmware/blob/master/docs/secure-partition-manager-design.rst
+
+.. _issues tracker: https://developer.trustedfirmware.org/project/board/9/