Add O_PATH support for flistxattr()

A continuation of commit 2825f10b7f61558c264231a536cf3affc0d84204.

Add O_PATH compatibility support for flistxattr(). This allows
a process to list out all the extended attributes associated with
O_PATH file descriptors.

Change-Id: Ie2285ac7ad2e4eac427ddba6c2d182d41b130f75
diff --git a/libc/arch-arm/syscalls/___flistxattr.S b/libc/arch-arm/syscalls/___flistxattr.S
new file mode 100644
index 0000000..8ae8b7e
--- /dev/null
+++ b/libc/arch-arm/syscalls/___flistxattr.S
@@ -0,0 +1,15 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(___flistxattr)
+    mov     ip, r7
+    ldr     r7, =__NR_flistxattr
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno_internal
+END(___flistxattr)
+.hidden ___flistxattr