Increase redfish image upload timed out
Increase redfish image upload timed out

Network and image file size could result in image upload failure.
The changes is made to improve chance of upload success rate.

Change-Id: I84020b9bab6973e2aa2bf4442e48f4d0b5175e90
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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