DynamicTablesPkg: Add PCCT Generator

The Platform Communication Channel Table (PCCT) generator collates
the relevant information required for generating a PCCT table from
configuration manager using the configuration manager protocol.
The DynamicTablesManager then install the PCCT table.

From ACPI 6.4, s14 PLATFORM COMMUNICATIONS CHANNEL (PCC):
  The platform communication channel (PCC) is a generic mechanism
  for OSPM to communicate with an entity in the platform.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>

DynamicTablesPkg/Include/AcpiTableGenerator.h

@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
+  Copyright (c) 2017 - 2022, Arm Limited. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -98,6 +98,7 @@ typedef enum StdAcpiTableId {
   EStdAcpiTableIdSsdtCmn600,                    ///< SSDT Cmn-600 Generator
   EStdAcpiTableIdSsdtCpuTopology,               ///< SSDT Cpu Topology
   EStdAcpiTableIdSsdtPciExpress,                ///< SSDT Pci Express Generator
+  EStdAcpiTableIdPcct,                          ///< PCCT Generator
   EStdAcpiTableIdMax
 } ESTD_ACPI_TABLE_ID;