Bare metal OS retries should take less time now, preventing possible timeouts.
Merge pull request #455 from asaenz/improve_retry_srv_os_time

Bare metal OS retries should take less time now, preventing possible timeouts
ASM-1992 Support for M520

- Added M520 to the supported list of half height blades.
Merge pull request #456 from sushilrai/m520

ASM-1992 Support for M520
Fixes null pointer on vm