支持乐鑫的esp32-box-lite开发板 (#288)

* add esp-box-lite

* 增加adc按钮支持，响应esp32box-lite的音量上下键

* 注释改进

* 只对esp-box-lite启用CONFIG_SOC_ADC_SUPPORTED

---------

Co-authored-by: cqm <cqm@97kid.com>

main/boards/esp-box-lite/config.h

@@ -0,0 +1,39 @@
+#ifndef _BOARD_CONFIG_H_
+#define _BOARD_CONFIG_H_
+
+#include <driver/gpio.h>
+
+#define AUDIO_INPUT_SAMPLE_RATE  24000
+#define AUDIO_OUTPUT_SAMPLE_RATE 24000
+
+#define AUDIO_INPUT_REFERENCE    true
+
+#define AUDIO_I2S_GPIO_MCLK GPIO_NUM_2
+#define AUDIO_I2S_GPIO_WS GPIO_NUM_47
+#define AUDIO_I2S_GPIO_BCLK GPIO_NUM_17
+#define AUDIO_I2S_GPIO_DIN  GPIO_NUM_16
+#define AUDIO_I2S_GPIO_DOUT GPIO_NUM_15
+
+#define AUDIO_CODEC_PA_PIN       GPIO_NUM_46
+#define AUDIO_CODEC_I2C_SDA_PIN  GPIO_NUM_8
+#define AUDIO_CODEC_I2C_SCL_PIN  GPIO_NUM_18
+
+#define BUILTIN_LED_GPIO        GPIO_NUM_NC
+#define BOOT_BUTTON_GPIO        GPIO_NUM_0
+#define VOLUME_UP_BUTTON_GPIO   GPIO_NUM_NC
+#define VOLUME_DOWN_BUTTON_GPIO GPIO_NUM_NC
+
+#define DISPLAY_WIDTH   320
+#define DISPLAY_HEIGHT  240
+#define DISPLAY_MIRROR_X false
+#define DISPLAY_MIRROR_Y true
+#define DISPLAY_SWAP_XY false
+
+#define DISPLAY_OFFSET_X  0
+#define DISPLAY_OFFSET_Y  0
+
+#define DISPLAY_BACKLIGHT_PIN GPIO_NUM_45
+#define DISPLAY_BACKLIGHT_OUTPUT_INVERT true
+
+
+#endif // _BOARD_CONFIG_H_