examples: update max GPIO range for C2 examples to exclude UART0 pins
Closes
@@ -4,7 +4,8 @@ config ENV_GPIO_RANGE_MIN
config ENV_GPIO_RANGE_MAX
int
- default 20
+ default 18
+ # GPIOs 19/20 are always used by UART in examples
config ENV_GPIO_IN_RANGE_MAX
int
