forked from Imagelibrary/rtems
Note: Resending after learning how to use git send-email, please disregard previous message. This fixes the riscv fe310 console driver fe310_uart_read function. The function reads the RX status/data register to check if data is available, but discards the data and reads it a seconds time. Also cleared the interrupt enable bit in the first_open function. Close #4719