add for support cmake with netdev_notify_recvcpu.c

Signed-off-by: daichuan <daichuan@xiaomi.com>

drivers/net/Kconfig

@@ -64,6 +64,9 @@ config NETDEV_RSS
 	bool "Using hardware RSS (Receive Side Scaling) with network card"
 	default n
 	depends on SMP && NETDEV_IOCTL && NETDEV_WORK_THREAD
+	---help---
+		When the hardware supports RSS/aRFS function, provide the
+		hash value and CPU ID to the hardware driver.
 
 comment "General Ethernet MAC Driver Options"
 

net/netdev/CMakeLists.txt

@@ -50,4 +50,8 @@ if(CONFIG_NETDEV_STATISTICS)
   list(APPEND SRCS netdev_stats.c)
 endif()
 
+if(CONFIG_NETDEV_RSS)
+  list(APPEND SRCS netdev_notify_recvcpu.c)
+endif()
+
 target_sources(net PRIVATE ${SRCS})