DynamicTablesPkg: Add PCCT related objects

DynamicTablesPkg: Add PCCT related objects

Introduce the following CmObj in the ArmNameSpaceObjects:
 - CM_ARM_MAILBOX_REGISTER_INFO
 - CM_ARM_PCC_SUBSPACE_CHANNEL_TIMING_INFO
 - CM_ARM_PCC_SUBSPACE_GENERIC_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE0_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE1_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE2_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE3_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE4_INFO
 - CM_ARM_PCC_SUBPSACE_TYPE5_INFO

These objects allow to describe mailbox registers, pcc timings
and PCCT subspaces. They prepare the enablement of a PCCT generator.

Also add the CmObjParsers associated to each object.

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