remove hacks no longer required to build OpenOCD w/eCos

git-svn-id: svn://svn.berlios.de/openocd/trunk@2074 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/system.h

@@ -59,6 +59,14 @@
 #ifdef HAVE_SYS_POLL_H
 #include <sys/poll.h>
 #endif
+
+#ifdef __ECOS
+/* missing from eCos */
+#ifndef EFAULT
+#define	EFAULT 14	/* Bad address */
+#endif
+#endif
+
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif