refactor: Use enum values for gpio pull up/down fields

Ensure that enum values are used When assigning `pull_up_en` and `pull_down_en`
fields of `gpio_config_t`. Helps avoid `invalid conversion` errors when
building those code snippets in C++.

components/bt/common/ble_log/ble_log_spi_out.c

@@ -860,8 +860,8 @@ static int spi_out_ts_sync_init(void)
         .intr_type = GPIO_INTR_DISABLE,
         .mode = GPIO_MODE_OUTPUT,
         .pin_bit_mask = BIT(SPI_OUT_SYNC_IO_NUM),
-        .pull_down_en = 0,
-        .pull_up_en = 0
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .pull_up_en = GPIO_PULLUP_DISABLE
     };
     if (gpio_config(&io_conf) != ESP_OK) {
         goto failed;