LICENCE.siano: Add copyright years

LICENCE.siano: Add copyright years

A copyright notice is supposed to specify the years the work was
created.

Mauro Carvalho Chehab <mchehab@infradead.org> writes:
> The oldest copyright I found for the Siano Linux driver is 2005, as
> you can see at:
>         drivers/media/common/siano/smscoreapi.c
>
> As the driver talks with the Siano firmware, it has to be written
> before or together with the driver.
>
> Browsing at the new, that seems to match the oldest news about the
> first chipset supported by the driver (sms1000) is from 2006:
>         http://www.businesswire.com/news/home/20061206005282/en/Siano-SMS1000-Mobile-Digital-TV-Receiver-Chip
>
> This driver supports both the sms1xx and the newer sms27xx
> chipsets. Due to that, the Rio firmware (ISDB-T) s probably newer,
> as it support only the sms27xx chips, but it could be based on the
> DVB-T firmware.
>
> So, if you really want to put some timestamp, except if someone
> at either Siano or Hauppauge could tell us otherwise, I would stick
> with a copyright notice starting from 2005, going u to the year that
> they got merged at the firmware tree (as some changes might have
> happened until the final version).

So I'm specifying 2005-2014.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>