Input: winbond-cir - remove dmesg spam

I missed converting one dev_info call to deb_dbg before submitting the driver.
Without this change, a message will be printed to dmesg for each button press
if a RC6 remote is used.

Signed-off-by: David Härdeman <david@hardeman.nu>
Cc: stable <stable@kernel.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>