[nrf noup] [nrfconnect] Disable Zephyr socket extensions

The recvmsg() is now implemented natively in Zephyr,
so we are not supposed to define a custom one.

Signed-off-by: Marcin Kajor <marcin.kajor@nordicsemi.no>

Author: markaj-nordic

src/platform/nrfconnect/SystemPlatformConfig.h

@@ -52,3 +52,6 @@ struct ChipDeviceEvent;
 #endif
 
 // ========== Platform-specific Configuration Overrides =========
+
+// Disable Zephyr Socket extensions module, as the Zephyr RTOS now implements recvmsg()
+#define CHIP_SYSTEM_CONFIG_USE_ZEPHYR_SOCKET_EXTENSIONS 0