[media] cx23885: Fix tuning regression for TeVii S471

When tuning to 10818V on Astra 28E2, the system tunes to 11343V
instead. This is a regression in the S471 driver introduced with the
changeset: b43ea8068d2090cb1e44632c8a938ab40d2c7419 [media] cx23885:
Fix TeVii S471 regression since introduction of ts2020.

Suggested-by: Mauro Carvalho Chehab <[e-mail]>

Signed-off-by: Joakim Hernberg <[e-mail]>
Tested-by: Mark Clarkstone <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/pci/cx23885/cx23885-dvb.c

···
 static struct ts2020_config tevii_ts2020_config  = {
 	.tuner_address = 0x60,
 	.clk_out_div = 1,
+	.frequency_div = 1146000,
 };
 
 static struct cx24116_config dvbworld_cx24116_config = {