[media] az6007: Fix the number of parameters for QAM setup

Remove those warning messages:
[  121.696758] drxk: SCU_RESULT_INVPAR while sending cmd 0x0203 with params:
[  121.703401] drxk: 02 00 00 00 10 00 07 00 03 02                    ..........
[  121.703587] drxk: Warning -22 on QAMDemodulatorCommand
Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb-v2/az6007.c

@@ -64,6 +64,7 @@ static struct drxk_config terratec_h7_drxk = {
 	.no_i2c_bridge = false,
 	.chunk_size = 64,
 	.mpeg_out_clk_strength = 0x02,
+	.qam_demod_parameter_count = 2,
 	.microcode_name = "dvb-usb-terratec-h7-drxk.fw",
 };