media: atomisp: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/media/atomisp/i2c/atomisp-mt9m114.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/staging/media/atomisp/i2c/atomisp-libmsrlisthelper.c

···
 module_exit(exit_msrlisthelper);
 
 MODULE_AUTHOR("Jukka Kaartinen <[e-mail]>");
+MODULE_DESCRIPTION("Helper library to load, parse and apply large register lists");
 MODULE_LICENSE("GPL");

drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c

···
 module_i2c_driver(mt9m114_driver);
 
 MODULE_AUTHOR("Shuguang Gong <[e-mail]>");
+MODULE_DESCRIPTION("Aptina mt9m114 sensor support module");
 MODULE_LICENSE("GPL");