[DCCP]: Use menuconfig objects.

Use menuconfigs instead of menus, so the whole menu can be disabled at
once instead of going through all options.
Signed-off-by: NJan Engelhardt <jengelh@gmx.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/dccp/Kconfig

-menu "DCCP Configuration (EXPERIMENTAL)"
-	depends on INET && EXPERIMENTAL
-
-config IP_DCCP
+menuconfig IP_DCCP
 	tristate "The DCCP Protocol (EXPERIMENTAL)"
+	depends on INET && EXPERIMENTAL
 	---help---
 	  Datagram Congestion Control Protocol (RFC 4340)
 
@@ -19,19 +17,20 @@ config IP_DCCP
 
 	  If in doubt, say N.
 
+if IP_DCCP
+
 config INET_DCCP_DIAG
-	depends on IP_DCCP && INET_DIAG
+	depends on INET_DIAG
 	def_tristate y if (IP_DCCP = y && INET_DIAG = y)
 	def_tristate m
 
 config IP_DCCP_ACKVEC
-	depends on IP_DCCP
 	bool
 
 source "net/dccp/ccids/Kconfig"
 
 menu "DCCP Kernel Hacking"
-	depends on IP_DCCP && DEBUG_KERNEL=y
+	depends on DEBUG_KERNEL=y
 
 config IP_DCCP_DEBUG
 	bool "DCCP debug messages"
@@ -61,4 +60,4 @@ config NET_DCCPPROBE
 
 endmenu
 
-endmenu
+endif # IP_DDCP