Add Power ppc64le platform support

include/ob_object.h

@@ -87,10 +87,10 @@ typedef enum enum_obobjtype
   ObMaxType                 // invalid type, or count of obj type
 } ObObjType;
 
+/* add typedef for enum to avoid multiple definition of ObCollationType issue on powerpc64 ppc64le */
 #if defined(__powerpc64__)
  typedef
 #endif
-
 enum enum_obcollationtype
 {
   CS_TYPE_INVALID = 0,
@@ -108,10 +108,10 @@ enum enum_obcollationtype
   CS_TYPE_MAX,
 } ObCollationType;
 
+/* add typedef for enum to avoid multiple definition of ObCollationLevel issue on powerpc64 ppc64le */
 #if defined(__powerpc64__)
  typedef
 #endif
-
 enum enum_obcollationlevel
 {
   CS_LEVEL_EXPLICIT = 0,