REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2229
Introduces a new library class FirmwareBootMediaInfoLib that is
used to report the firmware boot media device. A default library
instance is provided that always returns the firmware boot media
is SPI flash. For platforms with other firmware boot media
options, a board-specific instance of this library should be
used instead to provide the correct firmware boot media device
information.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael Kubacki <michael.a.kubacki@intel.com>
Reviewed-by: Eric Dong <eric .dong@intel.com>
