locking/ww_mutex/test: add MODULE_DESCRIPTION()

Fix the 'make W=1' warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/test-ww_mutex.o

Link: https://lkml.kernel.org/r/20240730-module_description_orphans-v1-5-7094088076c8@quicinc.com
Signed-off-by: Jeff Johnson <[email protected]>
Acked-by: Waiman Long <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Alistar Popple <[email protected]>
Cc: Andrew Jeffery <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Eddie James <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jeremy Kerr <[email protected]>
Cc: Joel Stanley <[email protected]>
Cc: Karol Herbst <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Naveen N Rao <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Nouveau <[email protected]>
Cc: Pekka Paalanen <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Russell King <[email protected]>
Cc: Steven Rostedt (Google) <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Viresh Kumar <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

kernel/locking/test-ww_mutex.c

@@ -697,3 +697,4 @@ module_exit(test_ww_mutex_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Intel Corporation");
+MODULE_DESCRIPTION("API test facility for ww_mutexes");