message: apps/daemon: Update the id of the second button (S4)
  It's about the S4 button on ad-96tof1-ebz.
  These depend on the changes made in the device tree where the pin in enabled as input.
diff: #include <stdio.h>
  -#define BUTTON1_GPIO 28
  +#define GPIOCHIP2_BASE 504 /* Check file /sys/kernerl/debug/gpio */
  +#define GPIOCHIP2_PIN_MPP4 3 /* The 4th multipurpose pin of pm8916 */
  +
  +#define BUTTON1_GPIO (GPIOCHIP2_BASE + GPIOCHIP2_PIN_MPP4)
  #define BUTTON2_GPIO 24
  #define LED1_GPIO 17
  #define LED2_GPIO 19
  