RedfishPkg/RedfishConfigHandler: EDKII RedfishConfigHandler Protocol

BZ:2919

The driver is used to manage EDK2 Redfish Configuration Handler
Protocol installed by EDK2 Redfish feature drivers.
This is the EDK2 Redfish client driver written based on the EDK2
Redfish foundation to initialize EDK2 Redfish feature drivers.

EDK2 Redfish feature drivers are used to provision/consume/update
the firmware owns Redfish properties during system power on
initialization.

RedfishConfigHandlerCommon.c has the common code for the driver
instances used in different EDK2 boot phases or used by different
driver models in the future contribution.

Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Signed-off-by: Siyuan Fu <siyuan.fu@intel.com>
Signed-off-by: Fan Wang <fan.wang@intel.com>
Signed-off-by: Abner Chang <abner.chang@hpe.com>

Cc: Nickle Wang <nickle.wang@hpe.com>
Reviewed-by: Nickle Wang <nickle.wang@hpe.com>