net: fill in MODULE_DESCRIPTION()s for plip

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PLIP (parallel port) network module
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-4-leitao@debian.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/plip/plip.c

@@ -1437,4 +1437,5 @@ static int __init plip_init (void)
 
 module_init(plip_init);
 module_exit(plip_cleanup_module);
+MODULE_DESCRIPTION("PLIP (parallel port) network module");
 MODULE_LICENSE("GPL");