Add support for ppc64le arch

configure

@@ -415,7 +415,7 @@ case $PLATFORM in
 				;;
 		esac
 		;;
-	"ppc64")
+	"ppc64"|"ppc64le")
 		RTM_ENABLE="CK_MD_RTM_DISABLE"
 		MM="${MM:-"CK_MD_RMO"}"
 		PLATFORM=ppc64

regressions/ck_cohort/validate/Makefile

@@ -8,7 +8,11 @@ validate: validate.c ../../../include/ck_cohort.h
 	$(CC) $(CFLAGS) -o validate validate.c
 
 check: all
+ifeq ($(expr ($(CORES) / 2) > 0),$(expr 0))
+	./validate 1 2 1
+else
 	./validate `expr $(CORES) / 2` 2 1
+endif
 
 clean:
 	rm -rf *.dSYM *.exe *~ *.o $(OBJECTS)