MdeModulePkg/Pci: Add DeviceSecurity support.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2303

Whenever a PCI device is discovered, PCI bus calls the
EDKII_DEVICE_SECURITY_PROTOCOL to authenticate it.
If the function returns success, the PCI bus allocates
the resource and installs the PCI_IO for the device.
If the function returns fail, the PCI bus skips the device.

It is similar to EFI_SECURITY_ARCH_PROTOCOL, which
is used to verify an EFI image.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Yun Lou <yun.lou@intel.com>
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c

@@ -1054,7 +1054,9 @@ PciScanBus (
                 &PciDevice
                 );
 
-      ASSERT (!EFI_ERROR (Status));
+      if (EFI_ERROR (Status)) {
+        continue;
+      }
 
       PciAddress = EFI_PCI_ADDRESS (StartBusNumber, Device, Func, 0);