package/bluez5_utils: drop default y

as discussed on the mailinglist this drops the default y
entry for the now optional plugins and tools.
This might break backward compatibility but gives new users
a smaller initial footprint.

Further add a select for the options that required the HID
plugin at runtime.

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>