Add missing .h include

components/xiaomi_bslamp2/front_panel_hal.h

@@ -3,6 +3,7 @@
 #include "common.h"
 #include "esphome/components/i2c/i2c.h"
 #include "esphome/core/component.h"
+#include "esphome/core/hal.h"
 #include "esphome/core/log.h"
 #include <array>
 #include <cmath>