MdePkg: Support EFI_PEI_CORE_FV_LOCATION_PPI

MdePkg: Support EFI_PEI_CORE_FV_LOCATION_PPI

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1524

Add EFI_PEI_CORE_FV_LOCATION_PPI definition basing on
PI spec 1.7, Section 6.3.9.
This PPI can support the secnario that PEI Foundation
not in BFV.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>