Merge pull request #2728 from billmoser/nrf-baudrate-fix

Update ports/nrf/common-hal/busio/UART.c to include MIDI baud rate of 32150

Author: jepler

ports/nrf/common-hal/busio/UART.c

@@ -70,7 +70,9 @@ static uint32_t get_nrf_baud (uint32_t baudrate) {
         { 14400, NRF_UARTE_BAUDRATE_14400 },
         { 19200, NRF_UARTE_BAUDRATE_19200 },
         { 28800, NRF_UARTE_BAUDRATE_28800 },
+	{ 31250, NRF_UARTE_BAUDRATE_31250 },
         { 38400, NRF_UARTE_BAUDRATE_38400 },
+	{ 56000, NRF_UARTE_BAUDRATE_56000 },
         { 57600, NRF_UARTE_BAUDRATE_57600 },
         { 76800, NRF_UARTE_BAUDRATE_76800 },
         { 115200, NRF_UARTE_BAUDRATE_115200 },