node-cylon: dont double build firmata and serialport

Signed-off-by: John Crispin <blogic@openwrt.org>

lang/node-cylon/patches/0001-serialport.patch

@@ -0,0 +1,12 @@
+Index: node-cylon-0.22.0/package.json
+===================================================================
+--- node-cylon-0.22.0.orig/package.json	2015-10-20 20:32:48.000000000 +0200
++++ node-cylon-0.22.0/package.json	2015-10-21 10:42:20.616109122 +0200
+@@ -38,7 +38,6 @@
+   },
+ 
+   "dependencies": {
+-    "firmata":    ">= 0.3.2",
+     "cylon":      "1.1.0",
+     "cylon-gpio": "0.26.0",
+     "cylon-i2c":  "0.22.0"