V4L/DVB (10168): sms1xxx: fix inverted gpio for lna control on tiger r2

The GPIO logic for LNA control on the Tiger r2 devices was inverted.
This patch corrects the problem.

Signed-off-by: Michael Krufky <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/dvb/siano/sms-cards.c

···
 		.name	= "Hauppauge WinTV MiniCard",
 		.type	= SMS_NOVA_B0,
 		.fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
-		.lna_ctrl  = 1,
+		.lna_ctrl  = -1,
 	},
 };