add button-bind to tp-link 4900 and 3400

site.mk

@@ -188,6 +188,7 @@ endif
 
 ifeq ($(GLUON_TARGET),mpc85xx-generic)
 	GLUON_tp-link-tl-wdr4900-v1_SITE_PACKAGES := $(USB_PACKAGES_STORAGE)
+	GLUON_tp-link-tl-wdr4900-v1_SITE_PACKAGES += ffffm-button-bind
 endif
 
 # from ffm-packages
@@ -209,4 +210,5 @@ ifeq ($(GLUON_TARGET),ar71xx-generic)
 	GLUON_tp-link-tl-wr842n-nd-v1_SITE_PACKAGES += ffffm-button-bind
 	GLUON_tp-link-tl-wr842n-nd-v2_SITE_PACKAGES += ffffm-button-bind
 	GLUON_tp-link-tl-wr842n-nd-v3_SITE_PACKAGES += ffffm-button-bind
+	GLUON_tp-link-tl-wdr4300-v1_SITE_PACKAGES += ffffm-button-bind
 endif