media: exynos4-is: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/platform/samsung/exynos4-is/exynos-fimc-lite.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/platform/samsung/exynos4-is/exynos-fimc-is.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/platform/samsung/exynos4-is/exynos4-is-common.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/media/platform/samsung/exynos4-is/common.c

···
 }
 EXPORT_SYMBOL(__fimc_vidioc_querycap);
 
+MODULE_DESCRIPTION("Samsung S5P/EXYNOS4 SoC Camera Subsystem driver");
 MODULE_LICENSE("GPL");

drivers/media/platform/samsung/exynos4-is/fimc-is.c

···
 MODULE_ALIAS("platform:" FIMC_IS_DRV_NAME);
 MODULE_AUTHOR("Younghwan Joo <[e-mail]>");
 MODULE_AUTHOR("Sylwester Nawrocki <[e-mail]>");
+MODULE_DESCRIPTION("Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver");
 MODULE_LICENSE("GPL v2");

drivers/media/platform/samsung/exynos4-is/fimc-lite.c

···
 	}
 };
 module_platform_driver(fimc_lite_driver);
+MODULE_DESCRIPTION("Samsung EXYNOS FIMC-LITE (camera host interface) driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" FIMC_LITE_DRV_NAME);