zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
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+#
+# Unix Domain Sockets
+#
+
+config UNIX
+	tristate "Unix domain sockets"
+	---help---
+	  If you say Y here, you will include support for Unix domain sockets;
+	  sockets are the standard Unix mechanism for establishing and
+	  accessing network connections.  Many commonly used programs such as
+	  the X Window system and syslog use these sockets even if your
+	  machine is not connected to any network.  Unless you are working on
+	  an embedded system or something similar, you therefore definitely
+	  want to say Y here.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called unix.  Note that several important services won't work
+	  correctly if you say M here and then neglect to load the module.
+
+	  Say Y unless you know what you are doing.
+
+config UNIX_DIAG
+	tristate "UNIX: socket monitoring interface"
+	depends on UNIX
+	default n
+	---help---
+	  Support for UNIX socket monitoring interface used by the ss tool.
+	  If unsure, say Y.