The protocol differs by having two toggle bits in the scancode. Since
one of the bits is otherwise unused, we can safely handle the bits
unconditionally.

[mchehab@redhat.com: Fix some bad whitespacing]
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>