Adds storage disk drive resource of Redfish standard schema
and also provides the attribute ``drives_max_size_bytes`` on
storage which gives largest physical disk drive size available
in bytes among all physical disk drives.
Story: 1668487
Task: 23040
Partial-Bug: 1751143
Change-Id: Id7a5eb9af07730f11727c8b71c6852e080d75357