[media] media/rc: IR_SONY_DECODER depends on BITREVERSE

The IR sony decoder is making use of 'bitrev8' that,
in turn, requires BITREVERSE.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>