Exit firmware update if the image is already functional on BMC
Exit firmware update if the image is already functional on BMC

Output:
MANIFEST
.image_version:                  2.9.0-dev-539-g4d7666098
Issuing: cat /etc/os-release
..functional_version:            2.9.0-dev-539-g4d7666098

Change-Id: Ic2a19ba01b6cbf3903cea3bb7bff7aee49cab7b8
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation