V4L/DVB (5503): Sn9c102: declare constant byte sequences as static const

Makes sure they don't get copied onto the stack.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Acked-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>