media: dvb-frontends: add missing MODULE_DESCRIPTION() macros

With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/dvb-frontends/au8522_decoder.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/dvb-frontends/mb86a16.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/dvb-frontends/au8522_decoder.c

@@ -25,6 +25,7 @@
 #include "au8522_priv.h"
 
 MODULE_AUTHOR("Devin Heitmueller");
+MODULE_DESCRIPTION("Auvitek AU8522 QAM/8VSB demodulator driver and video decoder");
 MODULE_LICENSE("GPL");
 
 static int au8522_analog_debug;

drivers/media/dvb-frontends/mb86a16.c

@@ -1854,5 +1854,6 @@ struct dvb_frontend *mb86a16_attach(const struct mb86a16_config *config,
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(mb86a16_attach);
+MODULE_DESCRIPTION("Fujitsu MB86A16 DVB-S/DSS DC Receiver driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Manu Abraham");