releasing: Add entry for device updates in release description template

[releasing] Add entry for device updates in release description template. SailfishOS-SonyXperia/bugs#71

Signed-off-by: Björn Bidar <[email protected]>

Author: Thaodan

docs/releasing.org

@@ -154,6 +154,10 @@
   # https://developer.sony.com/file/download/software-binaries-for-aosp-android-10-0-kernel-4-14-kumano-latest
   {{{OEM_BINARIES_LINK}}}
 
+  ,* Updating your device
+
+  To update your device please follow the update instructions in INSTALL.org:
+  [[https://github.com/SailfishOS-SonyXperia/bugs/blob/master/INSTALL.org#updating-your-device][INSTALL.org/Updating your device]]
 
   ,* Known issues