The HID mouse sample uses the GPIO to read the state of a button, but
does not enable CONFIG_GPIO, causing the example to fail. Fix that.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
this sample expect there has a button in you board, that was
the mouse's left button, tested in linux by using evtest.
Signed-off-by: qianfan Zhao <qianfanguijin@163.com>