at91sam9g45ek: add defconfig for 9g45ek with different UBI settings

Signed-off-by: Josh Wu <josh.wu@atmel.com>
packages: add fbv tool

Signed-off-by: Josh Wu <josh.wu@atmel.com>
configs: add zxing libary support

Signed-off-by: Josh Wu <josh.wu@atmel.com>
at91sam9g45: use mplayer instead of madplay

since madplay will occurs a segment fault when playing audio.

Signed-off-by: Josh Wu <josh.wu@atmel.com>