File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/net/iucv/Kconfig b/net/iucv/Kconfig
new file mode 100644
index 0000000..497fbe7
--- /dev/null
+++ b/net/iucv/Kconfig
@@ -0,0 +1,17 @@
+config IUCV
+	depends on S390
+	def_tristate y if S390
+	prompt "IUCV support (S390 - z/VM only)"
+	help
+	  Select this option if you want to use inter-user communication
+	  under VM or VIF. If you run on z/VM, say "Y" to enable a fast
+	  communication link between VM guests.
+
+config AFIUCV
+	depends on S390
+	def_tristate m if QETH_L3 || IUCV
+	prompt "AF_IUCV Socket support (S390 - z/VM and HiperSockets transport)"
+	help
+	  Select this option if you want to use AF_IUCV socket applications
+	  based on z/VM inter-user communication vehicle or based on
+	  HiperSockets.