to #27182371

1. build mouse driver as module;
2. disable RT_GROUP_SCHED;
3. set HZ=250.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Suggested-by: NShanpei Chen <shanpeic@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>