clock: update clock_synchronize() to support with time

Signed-off-by: ligd <liguiding1@xiaomi.com>

boards/arm/stm32/stm3210e-eval/src/stm32_idle.c

@@ -316,7 +316,7 @@ static void stm32_idlepm(void)
                  */
 
 #ifdef CONFIG_RTC
-                clock_synchronize();
+                clock_synchronize(NULL);
 #endif
               }
           }

boards/arm/stm32/stm32f4discovery/src/stm32_ds1307.c

@@ -100,7 +100,7 @@ int stm32_ds1307_init(void)
 
       /* Synchronize the system time to the RTC time */
 
-      clock_synchronize();
+      clock_synchronize(NULL);
 
       /* Now we are initialized */