net: fill in MODULE_DESCRIPTION()s for fddik/skfp

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the SysKonnect FDDI PCI module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240214152741.670178-5-leitao@debian.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/fddi/skfp/skfddi.c

@@ -153,6 +153,7 @@ static const struct pci_device_id skfddi_pci_tbl[] = {
 	{ }			/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(pci, skfddi_pci_tbl);
+MODULE_DESCRIPTION("SysKonnect FDDI PCI driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Mirko Lindner <mlindner@syskonnect.de>");