Removed dbus command dependency from boot devices suite.

This change include:
    - Replaced dbus command with equivalent ipmi command.

Resolves openbmc/openbmc-test-automation#490

Change-Id: Id225e54e04a9ccb8864cbcf0ceeaae1a7f36654a
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
1 file changed