arm: unify reset command

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/lib_arm/Makefile b/lib_arm/Makefile
index 3ac9d1f..4469361 100644
--- a/lib_arm/Makefile
+++ b/lib_arm/Makefile
@@ -40,6 +40,7 @@
 endif
 COBJS-y	+= div0.o
 COBJS-y	+= interrupts.o
+COBJS-y	+= reset.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))