PLDM invalid or out-of-range string and value for BIOS PATCH request
PLDM invalid or out-of-range string and value for BIOS PATCH request

Changes:
     - Add response for 400

Tested:
     - Ran test suite pldm/test_redfish_bios_attributes.robot

Change-Id: I3adf9bbb076a32eddca189efaa185f423f05fffd
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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