libc: core: set up NSD remote channel on startup

lib/libc/core/sys/x86_64/init.c

@@ -1,7 +1,8 @@
+#include <errno.h>
 #include <magenta/log.h>
 #include <rosetta/bootstrap.h>
 #include <stdio.h>
-#include <errno.h>
+#include <sys/remote.h>
 
 extern int main(int, const char **, const char **);
 
@@ -13,6 +14,7 @@ void *__attribute__((weak)) pthread_self(void)
 
 int __libc_init(const struct rosetta_bootstrap *bsinfo)
 {
+	sys_remote_set(SYS_REMOTE_NSD, 0, 0);
 	(volatile void)pthread_self();
 	__set_errno(SUCCESS);
 	return 0;