pbio/platform/ev3: Disable debug port by default.

We are getting closer to a beta release, so turn off this debug hack.

Author: laurensvalk

lib/pbio/platform/ev3/pbdrvconfig.h

@@ -90,7 +90,7 @@
 #define PBDRV_CONFIG_SOUND_DEFAULT_VOLUME           75
 
 #define PBDRV_CONFIG_UART                           (1)
-#define PBDRV_CONFIG_UART_DEBUG_FIRST_PORT          (1)
+#define PBDRV_CONFIG_UART_DEBUG_FIRST_PORT          (0)
 #define PBDRV_CONFIG_UART_EV3                       (1)
 #define PBDRV_CONFIG_UART_EV3_PRU                   (1)
 #define PBDRV_CONFIG_UART_EV3_NUM_UART              (5)