x86/mce/inject: Add missing MODULE_DESCRIPTION() line

make W=1 C=1 warns:

  WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/kernel/cpu/mce/mce-inject.o

Add the missing MODULE_DESCRIPTION().

Signed-off-by: Jeff Johnson <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Jeff Johnson

arch/x86/kernel/cpu/mce/inject.c

@@ -795,4 +795,5 @@ static void __exit inject_exit(void)
 
 module_init(inject_init);
 module_exit(inject_exit);
+MODULE_DESCRIPTION("Machine check injection support");
 MODULE_LICENSE("GPL");