media: saa7134: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-empress.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-go7007.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-alsa.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/saa7134/saa7134-dvb.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/pci/saa7134/saa7134-alsa.c

@@ -1254,5 +1254,6 @@ static void saa7134_alsa_exit(void)
 /* We initialize this late, to make sure the sound system is up and running */
 late_initcall(saa7134_alsa_init);
 module_exit(saa7134_alsa_exit);
+MODULE_DESCRIPTION("Philips SAA7134 DMA audio support");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ricardo Cerqueira");

drivers/media/pci/saa7134/saa7134-dvb.c

@@ -52,6 +52,7 @@
 #include "s5h1411.h"
 
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_DESCRIPTION("DVB/ATSC Support for saa7134 based TV cards");
 MODULE_LICENSE("GPL");
 
 static unsigned int antenna_pwr;

drivers/media/pci/saa7134/saa7134-empress.c

@@ -19,6 +19,7 @@
 /* ------------------------------------------------------------------ */
 
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_DESCRIPTION("Philips SAA7134 empress support");
 MODULE_LICENSE("GPL");
 
 static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };

drivers/media/pci/saa7134/saa7134-go7007.c

@@ -516,4 +516,5 @@ static void __exit saa7134_go7007_mod_cleanup(void)
 module_init(saa7134_go7007_mod_init);
 module_exit(saa7134_go7007_mod_cleanup);
 
+MODULE_DESCRIPTION("go7007 support for saa7134 based TV cards");
 MODULE_LICENSE("GPL v2");