RTL8188EU: update to RTL8188EU-fcc9034

Signed-off-by: Stephan Raue <stephan@openelec.tv>
new package: add package 'RTL8723AU'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
new package: add package 'RTL8192DU'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
wlan-firmware: update to wlan-firmware-0.0.18

Signed-off-by: Stephan Raue <stephan@openelec.tv>