Skip power restore policy in case of error

Power restore policy can some time can fail in exiting code update
script. We should not be stoping code update due to this failure.
This fix will skip this erorr in code update process.

Resolves openbmc/openbmc-test-automation#253

Change-Id: Ie88f022478aabff054ea0e7fa59d9ca1049182db
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
1 file changed