V4L/DVB (3932): Convert lnbp21 to a module

Convert lnbp21.h into a linux kernel module.
Fix up previous users to use it.
Convert dvb-ttusb-budget to use it.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index a231975..d98395f 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -423,7 +423,7 @@
 		budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->tuner_ops.set_params = s5h1420_tuner_set_params;
-			if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
+			if (lnbp21_attach(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
 				printk("%s: No LNBP21 found!\n", __FUNCTION__);
 				goto error_out;
 			}