tag v0.2 as first working firmware

1. 31313a6 cuart_[fsm]_test: Avoid hard-coded 'ttyUSB5'; use command line arg by Harald Welte · 4 years, 9 months ago
2. 6603d95 card_uart_tx: Allow caller to specify if Rx should be active after Tx by Harald Welte · 4 years, 9 months ago
3. 02dd911 card_uart_tx: Remove last argument (we always have the receiver active) by Harald Welte · 4 years, 9 months ago
4. 18ec322 cuart_driver_tty: Work around linux kernel bug ignoring CREAD by Harald Welte · 4 years, 9 months ago
5. a40c8e5 'cuart' Card-UART abstraction + driver for simple serial reader by Harald Welte · 4 years, 9 months ago