Add posix_fadvise(3).

(cherry-pick of 00008263782e484020420c606f7d145fe7d0a4d8.)

Bug: 12449798
Change-Id: I07cbf3f670a0d1304b68148325a774f266b5c433
diff --git a/libc/arch-mips/syscalls/__fadvise64.S b/libc/arch-mips/syscalls/__fadvise64.S
new file mode 100644
index 0000000..6d494a1
--- /dev/null
+++ b/libc/arch-mips/syscalls/__fadvise64.S
@@ -0,0 +1,19 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(__fadvise64)
+    .set noreorder
+    .cpload t9
+    li v0, __NR_fadvise64_64
+    syscall
+    bnez a3, 1f
+    move a0, v0
+    j ra
+    nop
+1:
+    la t9,__set_errno_internal
+    j t9
+    nop
+    .set reorder
+END(__fadvise64)