MdePkg/PiStatusCode: Add new Status Code for BDS when attempting BootOrder
MdePkg/PiStatusCode: Add new Status Code for BDS when attempting BootOrder

According to new PI spec, add new Status Code to indicate BDS starts
attempting booting from the UEFI BootOrder list.

Cc: Ruiyu Ni <9fa3a6894a36bca79e6a72ad65af5a5702efecd1@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <1e8692d8ed8470b17e8ddd7612a0f029768dcb56@intel.com>
Reviewed-by: Ruiyu Ni <9fa3a6894a36bca79e6a72ad65af5a5702efecd1@intel.com>
Reviewed-by: Sunny Wang <74be04b34988dab727259a50c8e026e88682f7c8@hpe.com>

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