kirkwood: add Linksys E4200 (Viper) Router

docs/user/supported_devices.rst

@@ -102,6 +102,13 @@ ipq806x-generic
 
   - R7800
 
+kirkwood-generic
+---------------
+
+* Linksys
+
+  - E4200 (v2)
+
 lantiq-xrx200
 -------------
 

targets/kirkwood

@@ -0,0 +1,5 @@
+-- Linksys
+
+device('linksys_viper', 'linksys-viper', 'linksys_e4200', 'linksys-e4200' {
+	factory = false,
+})

targets/targets.mk

@@ -4,6 +4,7 @@ $(eval $(call GluonTarget,bcm27xx,bcm2708))
 $(eval $(call GluonTarget,bcm27xx,bcm2709))
 $(eval $(call GluonTarget,ipq40xx,generic))
 $(eval $(call GluonTarget,ipq806x,generic))
+$(eval $(call GluonTarget,kirkwood,generic))
 $(eval $(call GluonTarget,lantiq,xrx200))
 $(eval $(call GluonTarget,lantiq,xway))
 $(eval $(call GluonTarget,mediatek,mt7622))