net: Fix CONFIG_RPS option to be turned off

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/net/Kconfig b/net/Kconfig
index e569181..c8ee300 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -232,7 +232,7 @@
 source "net/openvswitch/Kconfig"
 
 config RPS
-	boolean
+	boolean "RPS"
 	depends on SMP && SYSFS && USE_GENERIC_SMP_HELPERS
 	default y