math: Export mul_u64_u64_div_u64

stable inclusion
from stable-5.10.29
commit 2934985086b95c45273d159f06bd72aecb8da364
bugzilla: 51789

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[ Upstream commit bf459478 ]

Fixes: f51d7bf1 ("ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Acked-by:   Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>