Pin Linksys whw03 v1 version

If we go any further changes in how switches are handled are introduced
in openwrt master that we would have to update Rita to handle properly.

profiles/devices/linksys-whw03.yml

@@ -5,7 +5,7 @@ image_paths:
   - "ipq40xx/generic/openwrt-ipq40xx-generic-linksys_whw03-squashfs-factory.bin"
   - "ipq40xx/generic/openwrt-ipq40xx-generic-linksys_whw03-squashfs-sysupgrade.bin"
 supported: true
-version: master
+version: 070b87e7ac48c8fcb48f7275658ccb9b5affc123
 
 private_radio:
   - radio0