[PATCH] reduce pnp syslog spam

Make some normal code paths in PNP stop issuing syslog spam.  Since PNP
issues calls regardless of device capablities, it's no surprise when some
of those devices don't support those calls!

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>