nrf5: Moving initialization of pin til after uart has been initialized for debugging purposes. This will make it possible to use uart to print out debug data when adding gpio irq handlers.

nrf5/main.c

@@ -102,8 +102,6 @@ int main(int argc, char **argv) {
 
     readline_init0();
 
-    pin_init0();
-
 #if MICROPY_PY_MACHINE_HW_SPI
     spi_init0();
 #endif
@@ -141,6 +139,8 @@ int main(int argc, char **argv) {
     }
 #endif
 
+pin_init0();
+
 #if MICROPY_HW_HAS_SDCARD
     // if an SD card is present then mount it on /sd/
     if (sdcard_is_present()) {