aspeed/wdt: Fix coding style

Fix coding style issues from checkpatch.pl.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250124030249.1706996-2-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

hw/watchdog/wdt_aspeed.c

@@ -278,7 +278,8 @@ static void aspeed_wdt_realize(DeviceState *dev, Error **errp)
 
     s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, aspeed_wdt_timer_expired, dev);
 
-    /* FIXME: This setting should be derived from the SCU hw strapping
+    /*
+     * FIXME: This setting should be derived from the SCU hw strapping
      * register SCU70
      */
     s->pclk_freq = PCLK_HZ;