[bsp][efm32] Fix RTC driver compile error

iysheng · iysheng · commit c08cdf145a10 · 2021-07-08T22:41:40.000+08:00
diff --git a/bsp/efm32/drv_rtc.c b/bsp/efm32/drv_rtc.c
@@ -24,6 +24,8 @@
  ******************************************************************************/
 
 /* Includes ------------------------------------------------------------------*/
+
+#include <rtdevice.h>
 #include "board.h"
 #include "hdl_interrupt.h"
 #include "drv_rtc.h"
