net: fill in MODULE_DESCRIPTION()s for nps_enet

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the EZchip NPS ethernet driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240123190332.677489-6-leitao@debian.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/ezchip/nps_enet.c

@@ -661,4 +661,5 @@ static struct platform_driver nps_enet_driver = {
 module_platform_driver(nps_enet_driver);
 
 MODULE_AUTHOR("EZchip Semiconductor");
+MODULE_DESCRIPTION("EZchip NPS Ethernet driver");
 MODULE_LICENSE("GPL v2");