dmaengine: mv_xor_v2: Fix an error code.

stable inclusion
from stable-v5.10.180
commit 033f00eb8969e99d9a06ac0c77adcab3501ef1fe
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8DDFN

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=033f00eb8969e99d9a06ac0c77adcab3501ef1fe



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

[ Upstream commit 827026ae ]

If the probe is deferred, -EPROBE_DEFER should be returned, not
+EPROBE_DEFER.

Fixes: 3cd2c313 ("dmaengine: mv_xor_v2: Fix clock resource by adding a register clock")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/201170dff832a3c496d125772e10070cd834ebf2.1679814350.git.christophe.jaillet@wanadoo.fr


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>