[CHERRY-PICK] MdePkg: Add new Resource Attributes defined in PI 1.8 Spec

Defined Encrypted and Special Purpose resource attributes as
defined in PI 1.8 Specification

Cc: Felix Polyudov <felixp@ami.com>
Cc: Dhanaraj V <vdhanaraj@ami.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Sachin Ganesh <sachinganesh@ami.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

MdePkg/Include/Pi/PiHob.h

@@ -297,6 +297,8 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;
 #define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED    0x00040000
 #define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE  0x00080000
 
+#define EFI_RESOURCE_ATTRIBUTE_ENCRYPTED        0x04000000
+#define EFI_RESOURCE_ATTRIBUTE_SPECIAL_PURPOSE  0x08000000
 //
 // Physical memory relative reliability attribute. This
 // memory provides higher reliability relative to other