Intel: platform/x86: ISST: Increase timeout

mainline inclusion
from mainline-v5.8-rc1
commit 2adaec46
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V


CVE: NA

--------------------------------

commit 2adaec46 upstream

Backport summary: Backport to kernel 4.19.57 to support ICX ISST

Fix timeout issue on some Ice Lake servers, where mail box command is
timing out before the response,

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>