media: pci: ipu3-cio2: Initialise timing struct to avoid a compiler warning

stable inclusion
from stable-v5.10.197
commit a3efb2b57e9df6755d88c2ac9986e490a2a92ab6
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I96Q8P

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a3efb2b57e9df6755d88c2ac9986e490a2a92ab6



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[ Upstream commit 9d7531be ]

Initialise timing struct in cio2_hw_init() to zero in order to avoid a
compiler warning. The warning was a false positive.

Reported-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>