parallel compile, SMP, swapgs, cleanup, remove useless Reserved fields

code/drivers/net/lwip/lwip_stack.c

@@ -78,7 +78,6 @@ typedef struct LWIP_PROVIDER_SOCKET {
     uint8_t  ShutdownRead;
     uint8_t  ShutdownWrite;
     uint8_t  NonBlocking;
-    uint8_t  Reserved0;
 
     uint32_t ReceiveTimeoutMs;
     uint32_t SendTimeoutMs;