kernel bump: 5.4.x-ti-rt: (5.4.28-ti-rt-r7)
kernel bump: 5.4.x-ti-rt: (5.4.28-ti-rt-r7)

Signed-off-by: Robert Nelson <d6c41255011d14bfa93d8562b946ca186cfa0c7b@gmail.com>

RobertCNelson/omap-image-builder,RobertCNelson/omap-image-builder,beagleboard/image-builder,beagleboard/image-builder