[dfs] enable procfs and tempfs in default when using smart; fix LWIP_ROUTE warning issue.

Author: BernardXiong

components/dfs/Kconfig

@@ -187,7 +187,7 @@ if RT_USING_SMART
         default y
     config RT_USING_DFS_PROCFS
         bool "Enable proc file system"
-        default n
+        default y
 endif
 
     config RT_USING_DFS_CROMFS
@@ -204,11 +204,13 @@ endif
 
     config RT_USING_DFS_TMPFS
         bool "Enable TMP file system"
+        default y if RT_USING_SMART
         default n
 
     config RT_USING_DFS_MQUEUE
         bool "Enable MQUEUE file system"
         select RT_USING_DEV_BUS
+        default y if RT_USING_SMART
         default n
 
 if RT_USING_DFS_V1

components/dfs/dfs_v2/filesystems/procfs/proc_net.c

@@ -47,6 +47,7 @@ static void *seq_next(struct dfs_seq_file *seq, void *data, off_t *index)
     return NULL;
 }
 
+#if LWIP_ROUTE
 static void route_show(const char *name, uint32_t ip_addr, uint32_t netmask, void *parameter)
 {
     struct dfs_seq_file *seq = (struct dfs_seq_file *)parameter;
@@ -66,6 +67,7 @@ static void route_show(const char *name, uint32_t ip_addr, uint32_t netmask, voi
     dfs_seq_printf(seq, "%d ", 0);
     dfs_seq_printf(seq, "%d\n", 0);
 }
+#endif
 
 static int seq_show(struct dfs_seq_file *seq, void *data)
 {