driver(gpio): fix gpio can't wakeup light sleep

examples/system/light_sleep/README.md

@@ -1,6 +1,3 @@
-| Supported Targets | ESP32 |
-| ----------------- | ----- |
-
 # Light Sleep Example
 
 (See the README.md file in the upper level 'examples' directory for more information about examples.)

examples/system/light_sleep/main/light_sleep_example_main.c

@@ -17,7 +17,6 @@
 #include "esp_sleep.h"
 #include "esp_log.h"
 #include "driver/uart.h"
-#include "driver/rtc_io.h"
 
 /* Most development boards have "boot" button attached to GPIO0.
  * You can also change this to another pin.
@@ -46,11 +45,11 @@ void app_main(void)
         esp_sleep_enable_gpio_wakeup();
 
         /* Wait until GPIO goes high */
-        if (rtc_gpio_get_level(button_gpio_num) == wakeup_level) {
+        if (gpio_get_level(button_gpio_num) == wakeup_level) {
             printf("Waiting for GPIO%d to go high...\n", button_gpio_num);
             do {
                 vTaskDelay(pdMS_TO_TICKS(10));
-            } while (rtc_gpio_get_level(button_gpio_num) == wakeup_level);
+            } while (gpio_get_level(button_gpio_num) == wakeup_level);
         }
 
         printf("Entering light sleep\n");