Sleep for a minute once BMC reaches standby

Network interface dropping once we get to BMC_READY, please refer
openbmc/openbmc/#815. As a quick hack we are sleeping for a minute
to mitigate the issue as per observation during the code update.

Change-Id: I8a6a6bdabafc3309f045fd6eaa4bb84d09ee1507
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
1 file changed