[Feature][T106]ZXW P56U09 code

Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No

Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/bits/posix_opt.h b/ap/libc/glibc/glibc-2.23/bits/posix_opt.h
new file mode 100644
index 0000000..54f5a79
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/bits/posix_opt.h
@@ -0,0 +1,2 @@
+/* This file should define the POSIX options described in <unistd.h>,
+   or leave them undefined, as appropriate.  */