hw/exynos4210_rtc.c: remove unnecessary code

Signed-off-by: NOleg Ogurtsov <o.ogurtsov@samsung.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/exynos4210_rtc.c

@@ -510,10 +510,7 @@ static void exynos4210_rtc_reset(DeviceState *d)
 {
     Exynos4210RTCState *s = (Exynos4210RTCState *)d;
 
-    struct tm tm;
-
-    qemu_get_timedate(&tm, 0);
-    s->current_tm = tm;
+    qemu_get_timedate(&s->current_tm, 0);
 
     DPRINTF("Get time from host: %d-%d-%d %2d:%02d:%02d\n",
             s->current_tm.tm_year, s->current_tm.tm_mon, s->current_tm.tm_mday,