[drivers][rtc] Fixed software and hardware rtc device naming as rtc

Author: kurisaW

components/drivers/rtc/dev_alarm.c

@@ -52,11 +52,7 @@ static rt_err_t alarm_set(struct rt_alarm *alarm)
     struct rt_rtc_wkalarm wkalarm;
     rt_err_t ret;
 
-#ifdef RT_USING_SOFT_RTC
-    device = rt_device_find("sw_rtc");
-#else
     device = rt_device_find("rtc");
-#endif
 
     if (device == RT_NULL)
     {

components/drivers/rtc/dev_soft_rtc.c

@@ -226,8 +226,11 @@ static int rt_soft_rtc_init(void)
     {
         return 0;
     }
-    /* make sure only one 'sw_rtc' device */
-    RT_ASSERT(!rt_device_find("sw_rtc"));
+    /* make sure only one 'rtc' device */
+#if defined(RT_USING_SOFT_RTC) && defined(RT_USING_RTC) 
+#warning "Please note: Currently only one RTC device is allowed in the system, and the name is "rtc"."
+#endif
+    RT_ASSERT(!rt_device_find("rtc"));
 
 #ifdef RT_USING_ALARM
     rt_timer_init(&alarm_time,
@@ -258,7 +261,7 @@ static int rt_soft_rtc_init(void)
     /* no private */
     soft_rtc_dev.user_data = RT_NULL;
 
-    rt_device_register(&soft_rtc_dev, "sw_rtc", RT_DEVICE_FLAG_RDWR);
+    rt_device_register(&soft_rtc_dev, "rtc", RT_DEVICE_FLAG_RDWR);
 
     source_device = &soft_rtc_dev;