Remove lksctp dependency in favor of kernel's sctp.

Change-Id: I572ae41c8c0fa9ffd90392f2717ad10017d632d0
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/network/sctp_lib.h b/aos/network/sctp_lib.h
index 14509e4..8eb57d3 100644
--- a/aos/network/sctp_lib.h
+++ b/aos/network/sctp_lib.h
@@ -2,7 +2,7 @@
 #define AOS_NETWORK_SCTP_LIB_H_
 
 #include <arpa/inet.h>
-#include <netinet/sctp.h>
+#include <linux/sctp.h>
 
 #include <memory>
 #include <optional>