[media] cx231xx: Add digital support for HVR 930c-HD model 1113xx

Add support for:
	[2040:b130] Hauppauge WinTV 930C-HD (model 1113xx)

After loading the driver the first open to dvb device node fails.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>