After commit 0a73336d, 'props' variable in find_and_check_chardev()
is unused. Remove it, togther with struct CompareChardevProps.
Signed-off-by: Nzhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: NZhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>