Add support for host BIOS update testing

This change adds the following keywords to utils.robot:

Clear BMC Record Log
Copy PNOR to BMC
Flash PNOR
Get Flash BIOS Status
Is PNOR Flashing
Is PNOR Flash Done
Is System State Host Booted

This also adds test_bios_update.robot which implements a basic ipl test
using the above keywords.

Change-Id: Id544fd1cec755ef95eb7c7330751b3c2e2a2d9dc
Signed-off-by: Jay Azurin <jmazurin@us.ibm.com>
4 files changed