Remove uscanner(4) driver

This exists for compatibility with a Linux interface which was apparently
deprecated in Linux 2.6. There are various mailing list threads going
back to 2004 where the usefulness of this driver is discussed, but
the conclusion is that scanner software has all moved to using ugen(4)
instead, and enabling this driver will not help you scan things.

branches: 1.16.6;
Remove uyap, USB YAP phone firmware loader.

And the associated ezload EZ-USB code, which is only used by uyap.
It could theoretically be used by other drivers, but none of them are
in tree.

I suspect that this device isn't in use, as phone technology has improved
a lot since 2001 when uyap(4) was added to the tree.

Proposed with no objections on netbsd-users on 13 April 2020

remove obsolete support for ISD-ATA umass(4) adapters

branches: 1.14.4;
remove urio(4), a driver for the Rio500 MP3 player.

At this point it is highly unlikely this 1999 device still has users,
but it still comes up in the context of maxv's USB-fuzzing (and any device
could pretend to be a urio(4)), so it's best to get rid of it.

Renamed all major entries to obsolete, as was done in previous removals.

This still requires an update to sanitizers, but they're located in
"external", perhaps it should be first committed upstream?

Proposed on tech-kern a month ago.

branches: 1.13.18; 1.13.26;
various umidi clean ups:
- move the contents of umidi{reg,var}.h into umidi.c directly as they
are not referenced by any other file.
- remove the useless include of umidi{reg,var}.h from umidi_quirks.c.
- add reference counting and wait/broadcast support to the IO paths.
- fix the error handling in midi_attach() and midi_open().
- sprinkle KASSERT() in several places.
- drop the local interrupt lock before calling into various parts of
the USB code. fixes lockdebug issues, and likely hangs.
- rename "binded" member as "bound".

with these most of the panics and problems i've seen are gone. there
is still one lockdebug panic to deal with that happens when unplugging
umidi while midiplay(1) is running.

branches: 1.12.6; 1.12.22; 1.12.24;
PR/45850: Pierre Pronchery: USB multi-touch panels are not supported

branches: 1.11.8; 1.11.12;
usb_port.h was deleted, no need to mention it here.

branches: 1.10.70; 1.10.80; 1.10.82;
The ubtbcmfw(4) driver fails to compile, as noted by PR kern/34219.

While it can be made to compile, the paradigm is not quite right because
it attempts to contact the filesystem during autoconfig which sometimes
causes a panic. Even if that was fixed, there is another potential problem
in that the driver tries/sleeps/tries/sleeps and the sleep could
theoretically sleep past the rc.d/btconfig stage and the controller
would remain unconfigured.

So, I have prepared a different method for loading the firmware to
Broadcom BCM2033 chip based devices. A package 'sysutils/bcmfw' will load
the firmware files via a ugen(4) device interface.

This update removes the ubtbcmfw(4) driver and adds a table to the ubt(4)
driver so that it will not attach to Broadcom BCM2033 based devices before
the firmware was loaded.

This fixes kern/34219

branches: 1.9.2;
Initial import of bluetooth stack on behalf of Iain Hibbert. (plunky@,
NetBSD Foundation Membership still pending.) This stack was written by
Iain under sponsorship from Itronix Inc.

The stack includes support for rfcomm networking (networking via your
bluetooth enabled cell phone), hid devices (keyboards/mice), and headsets.

Drivers for both PCMCIA and USB bluetooth controllers are included.

branches: 1.8.2; 1.8.8; 1.8.10;
Fix typo (Prolofic -> Prolific).

branches: 1.7.8; 1.7.10; 1.7.12;
Add uipaq(4). From OpenBSD.

branches: 1.6.16; 1.6.32;
Add some missing files.

branches: 1.5.2; 1.5.4;
Update with recent files.

Update with uscanner.c

Update with new files.

Add umass.c.

branches: 1.1.2;
A small roadmap of the USB files.