s390/3270: Add missing MODULE_DESCRIPTION() macros

With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/raw3270.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/con3270.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/fs3270.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-drivers-s390-char-v1-1-d1cd23ff6476@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

Author: jeff-t-johnson

drivers/s390/char/con3270.c

@@ -2185,6 +2185,7 @@ con3270_init(void)
 console_initcall(con3270_init);
 #endif
 
+MODULE_DESCRIPTION("IBM/3270 Driver - tty functions");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(IBM_TTY3270_MAJOR);
 

drivers/s390/char/fs3270.c

@@ -559,6 +559,7 @@ static void __exit fs3270_exit(void)
 	__unregister_chrdev(IBM_FS3270_MAJOR, 0, 1, "fs3270");
 }
 
+MODULE_DESCRIPTION("IBM/3270 Driver - fullscreen driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(IBM_FS3270_MAJOR);
 

drivers/s390/char/raw3270.c

@@ -1341,6 +1341,7 @@ static void raw3270_exit(void)
 	class_unregister(&class3270);
 }
 
+MODULE_DESCRIPTION("IBM/3270 Driver - core functions");
 MODULE_LICENSE("GPL");
 
 module_init(raw3270_init);