examples: update max GPIO range for C2 examples to exclude UART0 pins

ESP-Marius · ESP-Marius · commit a918c13db5f9 · 2022-12-05T02:29:46.000Z
Closes #10174
diff --git a/examples/common_components/env_caps/esp32c2/Kconfig.env_caps b/examples/common_components/env_caps/esp32c2/Kconfig.env_caps
@@ -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
