CorebootModulePkg: Use PCD for memory type information initialization

CorebootModulePkg: Use PCD for memory type information initialization

CorebootModulePkg currently uses a hardcoded table for memory type
initialization. It might need to be adjusted by platform to reduce
the memory fragmentation. So changing to use PCDs rather than
constant values to facilitate the customization.

Cc: Prince Agyeman <prince.agyeman@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Prince Agyeman <prince.agyeman@intel.com>