Fix some errors in debug assertions

net/local/local_recvfrom.c

@@ -337,7 +337,7 @@ psock_dgram_recvfrom(FAR struct socket *psock, FAR void *buf, size_t len,
 
           /* Adjust the number of bytes remaining to be read from the packet */
 
-          DEBUGASSERT(tmplen <= remain);
+          DEBUGASSERT(tmplen <= remaining);
           remaining -= tmplen;
         }
       while (remaining > 0);

net/local/local_recvutils.c

@@ -111,7 +111,7 @@ int local_fifo_read(int fd, FAR uint8_t *buf, size_t *len)
         }
       else
         {
-          DEBUGASSERT(nread <= len);
+          DEBUGASSERT(nread <= remaining);
           remaining -= nread;
           buf       += nread;
         }