uboot-envtools: add support for WHQX E1700AC/E600G/E600GAC v2

Signed-off-by: Piotr Dymacz <[email protected]>

package/boot/uboot-envtools/files/ar71xx

@@ -28,6 +28,9 @@ cpe830|\
 cpe870|\
 cr3000|\
 cr5000|\
+e1700ac-v2|\
+e600g-v2|\
+e600gac-v2|\
 eap300v2|\
 ens202ext|\
 gl-ar300m|\