opp: Fix error check in dev_pm_opp_attach_genpd()

stable inclusion
from stable-v5.10.137
commit e2a4e46f52584e43cd0d9866752b51f588cc1173
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e2a4e46f52584e43cd0d9866752b51f588cc1173



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[ Upstream commit 4ea9496c ]

dev_pm_domain_attach_by_name() may return NULL in some cases,
so IS_ERR() doesn't meet the requirements. Thus fix it.

Fixes: 6319aee1 ("opp: Attach genpds to devices from within OPP core")
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
[ Viresh: Replace ENODATA with ENODEV ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>