MFC r343572:
Add support for Audio Sink and Audio Source profiles to sdpd(8).

This allows user-space programs like virtual_oss(8) to act
as a Bluetooth speaker device.

Sponsored by: Mellanox Technologies

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Add support for the NAP, GN and PANU profiles to the sdpd(8).
It should be mentioned that a somewhat similar patch was
submitted by Rako < rako29 at gmail dot com >

MFC after: 1 week

Teach sdpd(8) about 32-bit and 128-bit uuid's.

MFC after: 3 days

Cleanup CFLAGS in libsdp(3) Makefile
Connect sdpd(8) to the build

Reviewed by: ru, imp (mentor)