Updated config of linux-sun4i to add a few useful modules

	Added "leds-sunxi" as module:

A driver for the LEDs on sunxi board. With this I can keep track of the of SD card access on my CubieBoard via LED.

Module does not load automatically.

	Added "sun4i-gpio" as module:

An unstable driver for the GPIOs of the A10.

Module does not load automatically, so it won't hurt even if it is unstable

	Added "fbcon" as module:

Driver for console output on framebuffer

Module does not automatically load.

	Changed "cfg80211" to be compiled as module

This change was needed to include carl9170

	Added "carl9170" as module

A driver for wlan usb devices