i2c: npcm: Fix timeout calculation

stable inclusion
from stable-v5.10.121
commit 06cb0f056ba1414bc13a36884913acfadb1ddc84
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=06cb0f056ba1414bc13a36884913acfadb1ddc84



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[ Upstream commit 288b2044 ]

Use adap.timeout for timeout calculation instead of hard-coded
value of 35ms.

Fixes: 56a1485b ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>