Config.in: Introduce a new BR2_DEPRECATED_SINCE_2015_11 variable

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Config.in

@@ -337,6 +337,10 @@ config BR2_DEPRECATED_SINCE_2015_08
 	bool
 	default y
 
+config BR2_DEPRECATED_SINCE_2015_11
+	bool
+	default y
+
 endif
 
 config BR2_ENABLE_DEBUG