Initial support for wifi

Import config file and private code from Realtek.

Signed-off-by: Max Liao <liaops@embedinfo.com>
Import original Wi-Fi driver from Realtek

Signed-off-by: Max Liao <liaops@embedinfo.com>
Fix compile error:too few arguments to function 'wifi_stop_supplicant'

The file wifi_realtek.c is specific to Android JB 4.2 but not 4.2.2.
The prototype of function wifi_stop_supplicant has changed after 4.2.1.

Signed-off-by: Max Liao <liaops@embedinfo.com>
Modifications to realtek wifi driver to make it work normally on our platform

1.Modify Makefile to compile the realtek wifi driver on AT91 platform.
2.Set Driver Configurations for Android JB.
3.Choose (STA+P2P)/AP – Switch between STA+P2P concurrent and AP mode.

Signed-off-by: Max Liao <liaops@embedinfo.com>
Change some configurations of Realtek Wi-Fi driver

1. Use RTW_USE_CFG80211_STA_EVENT on the system and then AP and P2P can work normally.
2. Disable debug info.

Signed-off-by: Max Liao <liaops@embedinfo.com>
Bluetooth : Add the bluetooth vendor library and the bluetooth
kernel driver

Signed-off-by: wangdr <wangdr@embedinfo.com>