Enable build of ecp_curves_new.c

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/Makefile b/library/Makefile
index 766343a..fdab4f4 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -104,6 +104,7 @@
 	     ecp.o \
 	     ecp_new.o \
 	     ecp_curves.o \
+	     ecp_curves_new.o \
 	     entropy.o \
 	     entropy_poll.o \
 	     error.o \