goldfish: update configs for ARM & x86

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
goldfish: Enable Bluetooth and HCI H4 protocol

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
goldfish: implement rfkill platform driver

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
Merge pull request #1 from vicamo/bluetooth

Bug 852583 - enable bluetooth emulation. r=tzimmermann