xenbus: add module description

From: Arnd Bergmann <[email protected]>

Modules without a description now cause a warning:

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/xen/xenbus/xenbus_probe_frontend.o

---
v2: change the description as suggested by Jürgen

---
 drivers/xen/xenbus/xenbus_probe_frontend.c | 1 +
 1 file changed, 1 insertion(+)

index fcb335bb7b18..6d1819269cbe 100644
@@ -513,4 +513,5 @@ static int __init boot_wait_for_devices(void)
 late_initcall(boot_wait_for_devices);
 #endif
 
+MODULE_DESCRIPTION("Xen PV-device frontend support");
 MODULE_LICENSE("GPL");

2.39.5

Juergen