Add reminder to releases.sh for upgrading kernel image
Add reminder to releases.sh for upgrading kernel image

Signed-off-by: Charles Steinkuehler <cbdb0cc7f3f5b4be81a75fa7242590e3e9882e1e@steinkuehler.net>

gthrive/image-builder,robert-budde/omap-image-builder,miloh/image-builder,RobertCNelson/omap-image-builder,jadonk/image-builder,eliasbakken/omap-image-builder,BrianAdams/omap-image-builder,OpenROV-forks/omap-image-builder,mhaberler/omap-image-builder,beagleboard/image-builder,miloh/image-builder,jlefley/omap-image-builder,robert-budde/omap-image-builder,RobertCNelson/omap-image-builder,hankchan/bbb-image-builder,eliasbakken/kamikaze,beagleboard/image-builder,OpenROV-forks/omap-image-builder,jadonk/image-builder