media: pci: add missing MODULE_DESCRIPTION() macros

With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/ttpci/budget-core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/bt8xx/bt878.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/ivtv/ivtvfb.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/bt8xx/bt878.c

@@ -563,4 +563,5 @@ static void __exit bt878_cleanup_module(void)
 module_init(bt878_init_module);
 module_exit(bt878_cleanup_module);
 
+MODULE_DESCRIPTION("DVB/ATSC Support for bt878 based TV cards");
 MODULE_LICENSE("GPL");

drivers/media/pci/ivtv/ivtvfb.c

@@ -104,6 +104,7 @@ MODULE_PARM_DESC(osd_xres,
 		 "\t\t\tdefault 640");
 
 MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil, John Harvey, Ian Armstrong");
+MODULE_DESCRIPTION("Conexant cx23415 framebuffer support");
 MODULE_LICENSE("GPL");
 
 /* --------------------------------------------------------------------- */

drivers/media/pci/ttpci/budget-core.c

@@ -602,4 +602,5 @@ void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port)
 }
 EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port);
 
+MODULE_DESCRIPTION("base driver for the SAA7146 based Budget DVB cards");
 MODULE_LICENSE("GPL");