!8800 ALSA: usb-audio: Stop parsing channels bits when all channels are found.

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuan Can <yuancan@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FXTDKO4JP4ZJDRZ4UVNQEQC2X3QDAREK/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q91N 
 
Link:https://gitee.com/openeuler/kernel/pulls/8800

 

Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>