GPIO descriptor fixes (#578)

Drivers/ili9881c-module/bindings/ilitek,ili9881c.yaml

@@ -40,10 +40,6 @@ properties:
     default: GPIO_PIN_SPEC_NONE
     description: Reset GPIO pin. Falls back to a software reset (sent over the DBI command
       interface) if not set.
-  reset-active-high:
-    type: boolean
-    default: false
-    description: Whether the reset pin is active high
   ldo-channel:
     type: int
     required: true

Drivers/ili9881c-module/include/drivers/ili9881c.h

@@ -23,7 +23,6 @@ struct Ili9881cConfig {
     // Reset pin for the panel. GPIO_PIN_SPEC_NONE falls back to a software reset sent over the
     // DBI command interface (see esp_lcd_ili9881c's panel_ili9881c_reset()).
     struct GpioPinSpec pin_reset;
-    bool reset_active_high;
 
     // LDO channel powering the MIPI DSI PHY - the PHY has no power of its own until this is
     // acquired, so it must happen before the DSI bus is created. Both fields are int32_t (not

Drivers/ili9881c-module/source/ili9881c.cpp

@@ -226,7 +226,8 @@ static error_t start(Device* device) {
         .rgb_ele_order = config->bgr_order ? LCD_RGB_ELEMENT_ORDER_BGR : LCD_RGB_ELEMENT_ORDER_RGB,
         .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,
         .bits_per_pixel = config->bits_per_pixel,
-        .flags = { .reset_active_high = config->reset_active_high },
+        // ILI9881C's reset line is fixed active-low in hardware.
+        .flags = { .reset_active_high = false },
         .vendor_config = &vendor_config,
     };