Add missing sysinfo() implementation (already declared in <sys/sysinfo.h>) - DO NOT MERGE

Change-Id: Iac4eb5911ffe4a7ab72b84df44e907685ac816af
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 11407b9..bf65a6f 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -244,6 +244,7 @@
 int     init_module(void *, unsigned long, const char *)  128
 int     delete_module(const char*, unsigned int)   129
 int     klogctl:syslog(int, char *, int)   103
+int     sysinfo(struct sysinfo *)  116
 
 # futex
 int	futex(void *, int, int, void *, void *, int) 240