longsleep installed headers for dkms usage

[xalius]

I played with https://github.com/lwfinger/rtl8723bs_bt earlier and got to talk to the BT part of the RTL, the tool seems to handshake and upload a binary to the module but I didnt get it to actually register as a BT adapter with Linux after that:

http://pastebin.com/Z3RUS9kc

The correct tty seems to be /dev/ttyS1 which corresponds to the schematic and the device tree definitions...